diff --git a/.travis.yml b/.travis.yml
index ae0a393..0a08a87 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,7 @@
 language: php
 php:
-    - 7.0
-    - 7.1
     - 7.2
+    - 7.3
 
 install:
     - composer install
diff --git a/composer.json b/composer.json
index 21a7180..d9c8b33 100644
--- a/composer.json
+++ b/composer.json
@@ -5,14 +5,14 @@
     "license": "MIT",
     "keywords": ["laravel", "illuminate", "roman", "roman-number", "roman-numeral", "converter", "format", "validator"],
     "require": {
-        "php": ">=7.0",
+        "php": ">=7.2",
         "wandersonwhcr/romans": "^1.0",
-        "illuminate/support": "^5.5"
+        "illuminate/support": "^6.0"
     },
     "require-dev": {
         "doctrine/instantiator": "^1.0",
-        "illuminate/container": "^5.5",
-        "illuminate/contracts": "^5.5",
+        "illuminate/container": "^6.0",
+        "illuminate/contracts": "^6.0",
         "jakub-onderka/php-parallel-lint": "^0.9",
         "phpmd/phpmd": "^2.6",
         "phpunit/phpunit": "^6.3",
@@ -41,12 +41,10 @@
             "phpcs"
         ]
     },
-    "extras": {
+    "extra": {
         "branch-alias": {
             "dev-develop": "1.0.x-dev"
-        }
-    },
-    "extra": {
+        },
         "laravel": {
             "providers": [
                 "Illuminate\\Romans\\Providers\\RomansProvider"
diff --git a/composer.lock b/composer.lock
index 4e7e2eb..717dc42 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,27 +1,27 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d6e7f5471a5fd1e6e84d234b1a3cb36a",
+    "content-hash": "10cd9d27c82135e4de865aa9ef14b5d4",
     "packages": [
         {
             "name": "doctrine/inflector",
-            "version": "v1.2.0",
+            "version": "v1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/inflector.git",
-                "reference": "e11d84c6e018beedd929cff5220969a3c6d1d462"
+                "reference": "5527a48b7313d15261292c149e55e26eae771b0a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/inflector/zipball/e11d84c6e018beedd929cff5220969a3c6d1d462",
-                "reference": "e11d84c6e018beedd929cff5220969a3c6d1d462",
+                "url": "https://api.github.com/repos/doctrine/inflector/zipball/5527a48b7313d15261292c149e55e26eae771b0a",
+                "reference": "5527a48b7313d15261292c149e55e26eae771b0a",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0"
+                "php": "^7.1"
             },
             "require-dev": {
                 "phpunit/phpunit": "^6.2"
@@ -29,7 +29,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev"
+                    "dev-master": "1.3.x-dev"
                 }
             },
             "autoload": {
@@ -71,31 +71,31 @@
                 "singularize",
                 "string"
             ],
-            "time": "2017-07-22T12:18:28+00:00"
+            "time": "2018-01-09T20:05:19+00:00"
         },
         {
             "name": "illuminate/contracts",
-            "version": "v5.5.2",
+            "version": "v6.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/illuminate/contracts.git",
-                "reference": "e935ac3bcfa32a9d8b9a082e5085f233fa9cf918"
+                "reference": "e5d7a6daa4beab3ec7c2d24679e213883a5fc09d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/illuminate/contracts/zipball/e935ac3bcfa32a9d8b9a082e5085f233fa9cf918",
-                "reference": "e935ac3bcfa32a9d8b9a082e5085f233fa9cf918",
+                "url": "https://api.github.com/repos/illuminate/contracts/zipball/e5d7a6daa4beab3ec7c2d24679e213883a5fc09d",
+                "reference": "e5d7a6daa4beab3ec7c2d24679e213883a5fc09d",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.0",
-                "psr/container": "~1.0",
-                "psr/simple-cache": "~1.0"
+                "php": "^7.2",
+                "psr/container": "^1.0",
+                "psr/simple-cache": "^1.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.5-dev"
+                    "dev-master": "6.0-dev"
                 }
             },
             "autoload": {
@@ -115,41 +115,45 @@
             ],
             "description": "The Illuminate Contracts package.",
             "homepage": "https://laravel.com",
-            "time": "2017-08-27T09:20:20+00:00"
+            "time": "2019-08-24T15:24:36+00:00"
         },
         {
             "name": "illuminate/support",
-            "version": "v5.5.2",
+            "version": "v6.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/illuminate/support.git",
-                "reference": "6a1c08c4e89429a0333ad86c489088ceeadbcced"
+                "reference": "64669342920e11fb91bd1af838e3d69dac525eae"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/illuminate/support/zipball/6a1c08c4e89429a0333ad86c489088ceeadbcced",
-                "reference": "6a1c08c4e89429a0333ad86c489088ceeadbcced",
+                "url": "https://api.github.com/repos/illuminate/support/zipball/64669342920e11fb91bd1af838e3d69dac525eae",
+                "reference": "64669342920e11fb91bd1af838e3d69dac525eae",
                 "shasum": ""
             },
             "require": {
-                "doctrine/inflector": "~1.1",
+                "doctrine/inflector": "^1.1",
+                "ext-json": "*",
                 "ext-mbstring": "*",
-                "illuminate/contracts": "5.5.*",
-                "nesbot/carbon": "^1.20",
-                "php": ">=7.0"
+                "illuminate/contracts": "^6.0",
+                "nesbot/carbon": "^2.0",
+                "php": "^7.2"
             },
-            "replace": {
-                "tightenco/collect": "self.version"
+            "conflict": {
+                "tightenco/collect": "<5.5.33"
             },
             "suggest": {
-                "illuminate/filesystem": "Required to use the composer class (5.2.*).",
-                "symfony/process": "Required to use the composer class (~3.3).",
-                "symfony/var-dumper": "Required to use the dd function (~3.3)."
+                "illuminate/filesystem": "Required to use the composer class (^6.0).",
+                "moontoast/math": "Required to use ordered UUIDs (^1.1).",
+                "ramsey/uuid": "Required to use Str::uuid() (^3.7).",
+                "symfony/process": "Required to use the composer class (^4.3.4).",
+                "symfony/var-dumper": "Required to use the dd function (^4.3.4).",
+                "vlucas/phpdotenv": "Required to use the Env class and env helper (^3.3)."
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.5-dev"
+                    "dev-master": "6.0-dev"
                 }
             },
             "autoload": {
@@ -172,34 +176,44 @@
             ],
             "description": "The Illuminate Support package.",
             "homepage": "https://laravel.com",
-            "time": "2017-09-04T14:00:07+00:00"
+            "time": "2019-09-03T17:25:40+00:00"
         },
         {
             "name": "nesbot/carbon",
-            "version": "1.22.1",
+            "version": "2.24.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/briannesbitt/Carbon.git",
-                "reference": "7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc"
+                "reference": "934459c5ac0658bc765ad1e53512c7c77adcac29"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc",
-                "reference": "7cdf42c0b1cc763ab7e4c33c47a24e27c66bfccc",
+                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/934459c5ac0658bc765ad1e53512c7c77adcac29",
+                "reference": "934459c5ac0658bc765ad1e53512c7c77adcac29",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0",
-                "symfony/translation": "~2.6 || ~3.0"
+                "ext-json": "*",
+                "php": "^7.1.8 || ^8.0",
+                "symfony/translation": "^3.4 || ^4.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "~2",
-                "phpunit/phpunit": "~4.0 || ~5.0"
+                "friendsofphp/php-cs-fixer": "^2.14 || ^3.0",
+                "kylekatarnls/multi-tester": "^1.1",
+                "phpmd/phpmd": "dev-php-7.1-compatibility",
+                "phpstan/phpstan": "^0.11",
+                "phpunit/phpunit": "^7.5 || ^8.0",
+                "squizlabs/php_codesniffer": "^3.4"
             },
+            "bin": [
+                "bin/carbon"
+            ],
             "type": "library",
             "extra": {
-                "branch-alias": {
-                    "dev-master": "1.23-dev"
+                "laravel": {
+                    "providers": [
+                        "Carbon\\Laravel\\ServiceProvider"
+                    ]
                 }
             },
             "autoload": {
@@ -216,16 +230,20 @@
                     "name": "Brian Nesbitt",
                     "email": "brian@nesbot.com",
                     "homepage": "http://nesbot.com"
+                },
+                {
+                    "name": "kylekatarnls",
+                    "homepage": "http://github.com/kylekatarnls"
                 }
             ],
-            "description": "A simple API extension for DateTime.",
+            "description": "A API extension for DateTime that supports 281 different languages.",
             "homepage": "http://carbon.nesbot.com",
             "keywords": [
                 "date",
                 "datetime",
                 "time"
             ],
-            "time": "2017-01-16T07:55:07+00:00"
+            "time": "2019-08-31T16:37:55+00:00"
         },
         {
             "name": "psr/container",
@@ -278,16 +296,16 @@
         },
         {
             "name": "psr/simple-cache",
-            "version": "1.0.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/simple-cache.git",
-                "reference": "753fa598e8f3b9966c886fe13f370baa45ef0e24"
+                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/753fa598e8f3b9966c886fe13f370baa45ef0e24",
-                "reference": "753fa598e8f3b9966c886fe13f370baa45ef0e24",
+                "url": "https://api.github.com/repos/php-fig/simple-cache/zipball/408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
+                "reference": "408d5eafb83c57f6365a3ca330ff23aa4a5fa39b",
                 "shasum": ""
             },
             "require": {
@@ -322,20 +340,20 @@
                 "psr-16",
                 "simple-cache"
             ],
-            "time": "2017-01-02T13:31:39+00:00"
+            "time": "2017-10-23T01:57:42+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.5.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "7c8fae0ac1d216eb54349e6a8baa57d515fe8803"
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/7c8fae0ac1d216eb54349e6a8baa57d515fe8803",
-                "reference": "7c8fae0ac1d216eb54349e6a8baa57d515fe8803",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
                 "shasum": ""
             },
             "require": {
@@ -347,7 +365,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.5-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -381,45 +399,56 @@
                 "portable",
                 "shim"
             ],
-            "time": "2017-06-14T15:44:48+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/translation",
-            "version": "v3.3.9",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "add53753d978f635492dfe8cd6953f6a7361ef90"
+                "reference": "28498169dd334095fa981827992f3a24d50fed0f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/add53753d978f635492dfe8cd6953f6a7361ef90",
-                "reference": "add53753d978f635492dfe8cd6953f6a7361ef90",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/28498169dd334095fa981827992f3a24d50fed0f",
+                "reference": "28498169dd334095fa981827992f3a24d50fed0f",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/polyfill-mbstring": "~1.0"
+                "php": "^7.1.3",
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/translation-contracts": "^1.1.6"
             },
             "conflict": {
-                "symfony/config": "<2.8",
-                "symfony/yaml": "<3.3"
+                "symfony/config": "<3.4",
+                "symfony/dependency-injection": "<3.4",
+                "symfony/yaml": "<3.4"
+            },
+            "provide": {
+                "symfony/translation-implementation": "1.0"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/intl": "^2.8.18|^3.2.5",
-                "symfony/yaml": "~3.3"
+                "symfony/config": "~3.4|~4.0",
+                "symfony/console": "~3.4|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/finder": "~2.8|~3.0|~4.0",
+                "symfony/http-kernel": "~3.4|~4.0",
+                "symfony/intl": "~3.4|~4.0",
+                "symfony/service-contracts": "^1.1.2",
+                "symfony/var-dumper": "~3.4|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
-                "psr/log": "To use logging capability in translator",
+                "psr/log-implementation": "To use logging capability in translator",
                 "symfony/config": "",
                 "symfony/yaml": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
@@ -446,24 +475,81 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2017-07-29T21:54:42+00:00"
+            "time": "2019-08-26T08:55:16+00:00"
+        },
+        {
+            "name": "symfony/translation-contracts",
+            "version": "v1.1.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/translation-contracts.git",
+                "reference": "325b17c24f3ee23cbecfa63ba809c6d89b5fa04a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/translation-contracts/zipball/325b17c24f3ee23cbecfa63ba809c6d89b5fa04a",
+                "reference": "325b17c24f3ee23cbecfa63ba809c6d89b5fa04a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "suggest": {
+                "symfony/translation-implementation": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\Translation\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Generic abstractions related to translation",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2019-08-02T12:15:04+00:00"
         },
         {
             "name": "wandersonwhcr/romans",
-            "version": "v1.1.2",
+            "version": "v1.1.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wandersonwhcr/romans.git",
-                "reference": "9c93fab380cb2aa9fc14bfbd7f7da09cc72071fc"
+                "reference": "cb076a6371abc6627a261157b856effc77784320"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wandersonwhcr/romans/zipball/9c93fab380cb2aa9fc14bfbd7f7da09cc72071fc",
-                "reference": "9c93fab380cb2aa9fc14bfbd7f7da09cc72071fc",
+                "url": "https://api.github.com/repos/wandersonwhcr/romans/zipball/cb076a6371abc6627a261157b856effc77784320",
+                "reference": "cb076a6371abc6627a261157b856effc77784320",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.0"
+                "php": ">=7.0"
             },
             "require-dev": {
                 "jakub-onderka/php-parallel-lint": "0.9.*",
@@ -497,38 +583,40 @@
                 "roman-numeral",
                 "validator"
             ],
-            "time": "2017-04-23T14:35:39+00:00"
+            "time": "2018-01-30T11:08:31+00:00"
         }
     ],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "1.0.5",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
+                "reference": "a2c590166b2133a4633738648b6b064edae0814a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
-                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/a2c590166b2133a4633738648b6b064edae0814a",
+                "reference": "a2c590166b2133a4633738648b6b064edae0814a",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3,<8.0-DEV"
+                "php": "^7.1"
             },
             "require-dev": {
-                "athletic/athletic": "~0.1.8",
+                "doctrine/coding-standard": "^6.0",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpunit/phpunit": "~4.0",
-                "squizlabs/php_codesniffer": "~2.0"
+                "phpbench/phpbench": "^0.13",
+                "phpstan/phpstan-phpunit": "^0.11",
+                "phpstan/phpstan-shim": "^0.11",
+                "phpunit/phpunit": "^7.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.2.x-dev"
                 }
             },
             "autoload": {
@@ -548,36 +636,37 @@
                 }
             ],
             "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
-            "homepage": "https://github.com/doctrine/instantiator",
+            "homepage": "https://www.doctrine-project.org/projects/instantiator.html",
             "keywords": [
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14T21:17:01+00:00"
+            "time": "2019-03-17T17:37:11+00:00"
         },
         {
             "name": "illuminate/container",
-            "version": "v5.5.2",
+            "version": "v6.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/illuminate/container.git",
-                "reference": "a7095697649494ced03d33cf4e756ccee94f8ab2"
+                "reference": "ae5b4a82e5ae13f6779cbda9cea50d9761a7ca17"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/illuminate/container/zipball/a7095697649494ced03d33cf4e756ccee94f8ab2",
-                "reference": "a7095697649494ced03d33cf4e756ccee94f8ab2",
+                "url": "https://api.github.com/repos/illuminate/container/zipball/ae5b4a82e5ae13f6779cbda9cea50d9761a7ca17",
+                "reference": "ae5b4a82e5ae13f6779cbda9cea50d9761a7ca17",
                 "shasum": ""
             },
             "require": {
-                "illuminate/contracts": "5.5.*",
-                "php": ">=7.0",
-                "psr/container": "~1.0"
+                "illuminate/contracts": "^6.0",
+                "illuminate/support": "^6.0",
+                "php": "^7.2",
+                "psr/container": "^1.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.5-dev"
+                    "dev-master": "6.0-dev"
                 }
             },
             "autoload": {
@@ -597,7 +686,7 @@
             ],
             "description": "The Illuminate Container package.",
             "homepage": "https://laravel.com",
-            "time": "2017-08-14T18:00:01+00:00"
+            "time": "2019-08-20T14:05:59+00:00"
         },
         {
             "name": "jakub-onderka/php-parallel-lint",
@@ -648,37 +737,43 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.6.1",
+            "version": "1.9.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "8e6e04167378abf1ddb4d3522d8755c5fd90d102"
+                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/8e6e04167378abf1ddb4d3522d8755c5fd90d102",
-                "reference": "8e6e04167378abf1ddb4d3522d8755c5fd90d102",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/007c053ae6f31bba39dfa19a7726f56e9763bbea",
+                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
+                "php": "^7.1"
+            },
+            "replace": {
+                "myclabs/deep-copy": "self.version"
             },
             "require-dev": {
-                "doctrine/collections": "1.*",
-                "phpunit/phpunit": "~4.1"
+                "doctrine/collections": "^1.0",
+                "doctrine/common": "^2.6",
+                "phpunit/phpunit": "^7.1"
             },
             "type": "library",
             "autoload": {
                 "psr-4": {
                     "DeepCopy\\": "src/DeepCopy/"
-                }
+                },
+                "files": [
+                    "src/DeepCopy/deep_copy.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "description": "Create deep copies (clones) of your objects",
-            "homepage": "https://github.com/myclabs/DeepCopy",
             "keywords": [
                 "clone",
                 "copy",
@@ -686,7 +781,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-04-12T18:52:22+00:00"
+            "time": "2019-08-09T12:45:53+00:00"
         },
         {
             "name": "pdepend/pdepend",
@@ -886,29 +981,35 @@
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "4.1.1",
+            "version": "4.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "2d3d238c433cf69caeb4842e97a3223a116f94b2"
+                "reference": "bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/2d3d238c433cf69caeb4842e97a3223a116f94b2",
-                "reference": "2d3d238c433cf69caeb4842e97a3223a116f94b2",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c",
+                "reference": "bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.0",
-                "phpdocumentor/reflection-common": "^1.0@dev",
+                "phpdocumentor/reflection-common": "^1.0.0",
                 "phpdocumentor/type-resolver": "^0.4.0",
                 "webmozart/assert": "^1.0"
             },
             "require-dev": {
-                "mockery/mockery": "^0.9.4",
-                "phpunit/phpunit": "^4.4"
+                "doctrine/instantiator": "~1.0.5",
+                "mockery/mockery": "^1.0",
+                "phpunit/phpunit": "^6.4"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.x-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "phpDocumentor\\Reflection\\": [
@@ -927,7 +1028,7 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2017-08-30T18:51:59+00:00"
+            "time": "2019-04-30T17:48:53+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
@@ -978,16 +1079,16 @@
         },
         {
             "name": "phpmd/phpmd",
-            "version": "2.6.0",
+            "version": "2.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpmd/phpmd.git",
-                "reference": "4e9924b2c157a3eb64395460fcf56b31badc8374"
+                "reference": "a05a999c644f4bc9a204846017db7bb7809fbe4c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpmd/phpmd/zipball/4e9924b2c157a3eb64395460fcf56b31badc8374",
-                "reference": "4e9924b2c157a3eb64395460fcf56b31badc8374",
+                "url": "https://api.github.com/repos/phpmd/phpmd/zipball/a05a999c644f4bc9a204846017db7bb7809fbe4c",
+                "reference": "a05a999c644f4bc9a204846017db7bb7809fbe4c",
                 "shasum": ""
             },
             "require": {
@@ -996,13 +1097,15 @@
                 "php": ">=5.3.9"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0",
+                "gregwar/rst": "^1.0",
+                "mikey179/vfsstream": "^1.6.4",
+                "phpunit/phpunit": "^4.8.36 || ^5.7.27",
                 "squizlabs/php_codesniffer": "^2.0"
             },
             "bin": [
                 "src/bin/phpmd"
             ],
-            "type": "project",
+            "type": "library",
             "autoload": {
                 "psr-0": {
                     "PHPMD\\": "src/main/php"
@@ -1019,20 +1122,20 @@
                     "homepage": "https://github.com/manuelpichler",
                     "role": "Project Founder"
                 },
-                {
-                    "name": "Other contributors",
-                    "homepage": "https://github.com/phpmd/phpmd/graphs/contributors",
-                    "role": "Contributors"
-                },
                 {
                     "name": "Marc Würth",
                     "email": "ravage@bluewin.ch",
                     "homepage": "https://github.com/ravage84",
                     "role": "Project Maintainer"
+                },
+                {
+                    "name": "Other contributors",
+                    "homepage": "https://github.com/phpmd/phpmd/graphs/contributors",
+                    "role": "Contributors"
                 }
             ],
             "description": "PHPMD is a spin-off project of PHP Depend and aims to be a PHP equivalent of the well known Java tool PMD.",
-            "homepage": "http://phpmd.org/",
+            "homepage": "https://phpmd.org/",
             "keywords": [
                 "mess detection",
                 "mess detector",
@@ -1040,42 +1143,42 @@
                 "phpmd",
                 "pmd"
             ],
-            "time": "2017-01-20T14:41:10+00:00"
+            "time": "2019-07-30T21:13:32+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.7.2",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6"
+                "reference": "1927e75f4ed19131ec9bcc3b002e07fb1173ee76"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
-                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/1927e75f4ed19131ec9bcc3b002e07fb1173ee76",
+                "reference": "1927e75f4ed19131ec9bcc3b002e07fb1173ee76",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
-                "sebastian/comparator": "^1.1|^2.0",
+                "sebastian/comparator": "^1.1|^2.0|^3.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
                 "phpspec/phpspec": "^2.5|^3.2",
-                "phpunit/phpunit": "^4.8 || ^5.6.5"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.7.x-dev"
+                    "dev-master": "1.8.x-dev"
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Prophecy\\": "src/"
+                "psr-4": {
+                    "Prophecy\\": "src/Prophecy"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1103,20 +1206,20 @@
                 "spy",
                 "stub"
             ],
-            "time": "2017-09-04T11:05:03+00:00"
+            "time": "2019-06-13T12:50:23+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "5.2.2",
+            "version": "5.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "8ed1902a57849e117b5651fc1a5c48110946c06b"
+                "reference": "c89677919c5dd6d3b3852f230a663118762218ac"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/8ed1902a57849e117b5651fc1a5c48110946c06b",
-                "reference": "8ed1902a57849e117b5651fc1a5c48110946c06b",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/c89677919c5dd6d3b3852f230a663118762218ac",
+                "reference": "c89677919c5dd6d3b3852f230a663118762218ac",
                 "shasum": ""
             },
             "require": {
@@ -1125,14 +1228,13 @@
                 "php": "^7.0",
                 "phpunit/php-file-iterator": "^1.4.2",
                 "phpunit/php-text-template": "^1.2.1",
-                "phpunit/php-token-stream": "^1.4.11 || ^2.0",
+                "phpunit/php-token-stream": "^2.0.1",
                 "sebastian/code-unit-reverse-lookup": "^1.0.1",
                 "sebastian/environment": "^3.0",
                 "sebastian/version": "^2.0.1",
                 "theseer/tokenizer": "^1.1"
             },
             "require-dev": {
-                "ext-xdebug": "^2.5",
                 "phpunit/phpunit": "^6.0"
             },
             "suggest": {
@@ -1141,7 +1243,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.2.x-dev"
+                    "dev-master": "5.3.x-dev"
                 }
             },
             "autoload": {
@@ -1156,7 +1258,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1167,20 +1269,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-08-03T12:40:43+00:00"
+            "time": "2018-04-06T15:36:58+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.4.2",
+            "version": "1.4.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5"
+                "reference": "730b01bc3e867237eaac355e06a36b85dd93a8b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/730b01bc3e867237eaac355e06a36b85dd93a8b4",
+                "reference": "730b01bc3e867237eaac355e06a36b85dd93a8b4",
                 "shasum": ""
             },
             "require": {
@@ -1214,7 +1316,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2016-10-03T07:40:28+00:00"
+            "time": "2017-11-27T13:52:08+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -1308,16 +1410,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "2.0.1",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "9a02332089ac48e704c70f6cefed30c224e3c0b0"
+                "reference": "791198a2c6254db10131eecfe8c06670700904db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/9a02332089ac48e704c70f6cefed30c224e3c0b0",
-                "reference": "9a02332089ac48e704c70f6cefed30c224e3c0b0",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/791198a2c6254db10131eecfe8c06670700904db",
+                "reference": "791198a2c6254db10131eecfe8c06670700904db",
                 "shasum": ""
             },
             "require": {
@@ -1353,20 +1455,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2017-08-20T05:47:52+00:00"
+            "time": "2017-11-27T05:48:46+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "6.3.1",
+            "version": "6.5.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "c0ff817b36a827e64bf5f57bc72278150cf30a77"
+                "reference": "bac23fe7ff13dbdb461481f706f0e9fe746334b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c0ff817b36a827e64bf5f57bc72278150cf30a77",
-                "reference": "c0ff817b36a827e64bf5f57bc72278150cf30a77",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bac23fe7ff13dbdb461481f706f0e9fe746334b7",
+                "reference": "bac23fe7ff13dbdb461481f706f0e9fe746334b7",
                 "shasum": ""
             },
             "require": {
@@ -1380,12 +1482,12 @@
                 "phar-io/version": "^1.0",
                 "php": "^7.0",
                 "phpspec/prophecy": "^1.7",
-                "phpunit/php-code-coverage": "^5.2.2",
-                "phpunit/php-file-iterator": "^1.4.2",
+                "phpunit/php-code-coverage": "^5.3",
+                "phpunit/php-file-iterator": "^1.4.3",
                 "phpunit/php-text-template": "^1.2.1",
                 "phpunit/php-timer": "^1.0.9",
-                "phpunit/phpunit-mock-objects": "^4.0.3",
-                "sebastian/comparator": "^2.0.2",
+                "phpunit/phpunit-mock-objects": "^5.0.9",
+                "sebastian/comparator": "^2.1",
                 "sebastian/diff": "^2.0",
                 "sebastian/environment": "^3.1",
                 "sebastian/exporter": "^3.1",
@@ -1411,7 +1513,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.3.x-dev"
+                    "dev-master": "6.5.x-dev"
                 }
             },
             "autoload": {
@@ -1437,33 +1539,33 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-09-24T07:25:54+00:00"
+            "time": "2019-02-01T05:22:47+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "4.0.4",
+            "version": "5.0.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0"
+                "reference": "cd1cf05c553ecfec36b170070573e540b67d3f1f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/2f789b59ab89669015ad984afa350c4ec577ade0",
-                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/cd1cf05c553ecfec36b170070573e540b67d3f1f",
+                "reference": "cd1cf05c553ecfec36b170070573e540b67d3f1f",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.5",
                 "php": "^7.0",
                 "phpunit/php-text-template": "^1.2.1",
-                "sebastian/exporter": "^3.0"
+                "sebastian/exporter": "^3.1"
             },
             "conflict": {
                 "phpunit/phpunit": "<6.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.0"
+                "phpunit/phpunit": "^6.5.11"
             },
             "suggest": {
                 "ext-soap": "*"
@@ -1471,7 +1573,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0.x-dev"
+                    "dev-master": "5.0.x-dev"
                 }
             },
             "autoload": {
@@ -1486,7 +1588,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1496,54 +1598,8 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2017-08-03T14:08:16+00:00"
-        },
-        {
-            "name": "psr/log",
-            "version": "1.0.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/log.git",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Log\\": "Psr/Log/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for logging libraries",
-            "homepage": "https://github.com/php-fig/log",
-            "keywords": [
-                "log",
-                "psr",
-                "psr-3"
-            ],
-            "time": "2016-10-10T12:19:37+00:00"
+            "abandoned": true,
+            "time": "2018-08-09T05:50:03+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -1592,30 +1648,30 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "2.0.2",
+            "version": "2.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "ae068fede81d06e7bb9bb46a367210a3d3e1fe6a"
+                "reference": "34369daee48eafb2651bea869b4b15d75ccc35f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/ae068fede81d06e7bb9bb46a367210a3d3e1fe6a",
-                "reference": "ae068fede81d06e7bb9bb46a367210a3d3e1fe6a",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/34369daee48eafb2651bea869b4b15d75ccc35f9",
+                "reference": "34369daee48eafb2651bea869b4b15d75ccc35f9",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.0",
-                "sebastian/diff": "^2.0",
-                "sebastian/exporter": "^3.0"
+                "sebastian/diff": "^2.0 || ^3.0",
+                "sebastian/exporter": "^3.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.0"
+                "phpunit/phpunit": "^6.4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "2.1.x-dev"
                 }
             },
             "autoload": {
@@ -1646,13 +1702,13 @@
                 }
             ],
             "description": "Provides the functionality to compare PHP values for equality",
-            "homepage": "http://www.github.com/sebastianbergmann/comparator",
+            "homepage": "https://github.com/sebastianbergmann/comparator",
             "keywords": [
                 "comparator",
                 "compare",
                 "equality"
             ],
-            "time": "2017-08-03T07:14:59+00:00"
+            "time": "2018-02-01T13:46:46+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -1758,16 +1814,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "3.1.0",
+            "version": "3.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937"
+                "reference": "06a9a5947f47b3029d76118eb5c22802e5869687"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/234199f4528de6d12aaa58b612e98f7d36adb937",
-                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/06a9a5947f47b3029d76118eb5c22802e5869687",
+                "reference": "06a9a5947f47b3029d76118eb5c22802e5869687",
                 "shasum": ""
             },
             "require": {
@@ -1794,6 +1850,10 @@
                 "BSD-3-Clause"
             ],
             "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
                 {
                     "name": "Jeff Welch",
                     "email": "whatthejeff@gmail.com"
@@ -1802,17 +1862,13 @@
                     "name": "Volker Dusch",
                     "email": "github@wallbash.com"
                 },
-                {
-                    "name": "Bernhard Schussek",
-                    "email": "bschussek@2bepublished.at"
-                },
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                },
                 {
                     "name": "Adam Harvey",
                     "email": "aharvey@php.net"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
                 }
             ],
             "description": "Provides the functionality to export PHP variables for visualization",
@@ -1821,7 +1877,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2017-04-03T13:19:02+00:00"
+            "time": "2019-08-11T12:43:14+00:00"
         },
         {
             "name": "sebastian/finder-facade",
@@ -2195,16 +2251,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.9.1",
+            "version": "2.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "dcbed1074f8244661eecddfc2a675430d8d33f62"
+                "reference": "2acf168de78487db620ab4bc524135a13cfe6745"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/dcbed1074f8244661eecddfc2a675430d8d33f62",
-                "reference": "dcbed1074f8244661eecddfc2a675430d8d33f62",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/2acf168de78487db620ab4bc524135a13cfe6745",
+                "reference": "2acf168de78487db620ab4bc524135a13cfe6745",
                 "shasum": ""
             },
             "require": {
@@ -2269,34 +2325,36 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2017-05-22T02:43:20+00:00"
+            "time": "2018-11-07T22:31:41+00:00"
         },
         {
             "name": "symfony/config",
-            "version": "v3.4.4",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "72689b934d6c6ecf73eca874e98933bf055313c9"
+                "reference": "07d49c0f823e0bc367c6d84e35b61419188a5ece"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/72689b934d6c6ecf73eca874e98933bf055313c9",
-                "reference": "72689b934d6c6ecf73eca874e98933bf055313c9",
+                "url": "https://api.github.com/repos/symfony/config/zipball/07d49c0f823e0bc367c6d84e35b61419188a5ece",
+                "reference": "07d49c0f823e0bc367c6d84e35b61419188a5ece",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/filesystem": "~2.8|~3.0|~4.0"
+                "php": "^7.1.3",
+                "symfony/filesystem": "~3.4|~4.0",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
-                "symfony/dependency-injection": "<3.3",
-                "symfony/finder": "<3.3"
+                "symfony/finder": "<3.4"
             },
             "require-dev": {
-                "symfony/dependency-injection": "~3.3|~4.0",
-                "symfony/finder": "~3.3|~4.0",
-                "symfony/yaml": "~3.0|~4.0"
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~3.4|~4.0",
+                "symfony/finder": "~3.4|~4.0",
+                "symfony/messenger": "~4.1",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/yaml": "To use the yaml reference dumper"
@@ -2304,7 +2362,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
@@ -2331,38 +2389,44 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-21T19:05:02+00:00"
+            "time": "2019-08-26T08:26:39+00:00"
         },
         {
             "name": "symfony/console",
-            "version": "v3.4.4",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "26b6f419edda16c19775211987651cb27baea7f1"
+                "reference": "de63799239b3881b8a08f8481b22348f77ed7b36"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/26b6f419edda16c19775211987651cb27baea7f1",
-                "reference": "26b6f419edda16c19775211987651cb27baea7f1",
+                "url": "https://api.github.com/repos/symfony/console/zipball/de63799239b3881b8a08f8481b22348f77ed7b36",
+                "reference": "de63799239b3881b8a08f8481b22348f77ed7b36",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/debug": "~2.8|~3.0|~4.0",
-                "symfony/polyfill-mbstring": "~1.0"
+                "php": "^7.1.3",
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/polyfill-php73": "^1.8",
+                "symfony/service-contracts": "^1.1"
             },
             "conflict": {
                 "symfony/dependency-injection": "<3.4",
+                "symfony/event-dispatcher": "<4.3",
                 "symfony/process": "<3.3"
             },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.3|~4.0",
+                "symfony/config": "~3.4|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+                "symfony/event-dispatcher": "^4.3",
                 "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.3|~4.0"
+                "symfony/process": "~3.4|~4.0",
+                "symfony/var-dumper": "^4.3"
             },
             "suggest": {
                 "psr/log": "For using the console logger",
@@ -2373,7 +2437,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
@@ -2400,41 +2464,58 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-29T09:03:43+00:00"
+            "time": "2019-08-26T08:26:39+00:00"
         },
         {
-            "name": "symfony/debug",
-            "version": "v3.4.4",
+            "name": "symfony/dependency-injection",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/debug.git",
-                "reference": "53f6af2805daf52a43b393b93d2f24925d35c937"
+                "url": "https://github.com/symfony/dependency-injection.git",
+                "reference": "d3ad14b66ac773ba6123622eb9b5b010165fe3d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/53f6af2805daf52a43b393b93d2f24925d35c937",
-                "reference": "53f6af2805daf52a43b393b93d2f24925d35c937",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/d3ad14b66ac773ba6123622eb9b5b010165fe3d9",
+                "reference": "d3ad14b66ac773ba6123622eb9b5b010165fe3d9",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/log": "~1.0"
+                "php": "^7.1.3",
+                "psr/container": "^1.0",
+                "symfony/service-contracts": "^1.1.6"
             },
             "conflict": {
-                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+                "symfony/config": "<4.3",
+                "symfony/finder": "<3.4",
+                "symfony/proxy-manager-bridge": "<3.4",
+                "symfony/yaml": "<3.4"
+            },
+            "provide": {
+                "psr/container-implementation": "1.0",
+                "symfony/service-implementation": "1.0"
             },
             "require-dev": {
-                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+                "symfony/config": "^4.3",
+                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/config": "",
+                "symfony/expression-language": "For using expressions in service container configuration",
+                "symfony/finder": "For using double-star glob patterns or when GLOB_BRACE portability is required",
+                "symfony/proxy-manager-bridge": "Generate service proxies to lazy load them",
+                "symfony/yaml": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Debug\\": ""
+                    "Symfony\\Component\\DependencyInjection\\": ""
                 },
                 "exclude-from-classmap": [
                     "/Tests/"
@@ -2454,58 +2535,37 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Debug Component",
+            "description": "Symfony DependencyInjection Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-18T22:16:57+00:00"
+            "time": "2019-08-26T16:27:33+00:00"
         },
         {
-            "name": "symfony/dependency-injection",
-            "version": "v3.4.4",
+            "name": "symfony/filesystem",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "4b2717ee2499390e371e1fc7abaf886c1c83e83d"
+                "url": "https://github.com/symfony/filesystem.git",
+                "reference": "9abbb7ef96a51f4d7e69627bc6f63307994e4263"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/4b2717ee2499390e371e1fc7abaf886c1c83e83d",
-                "reference": "4b2717ee2499390e371e1fc7abaf886c1c83e83d",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/9abbb7ef96a51f4d7e69627bc6f63307994e4263",
+                "reference": "9abbb7ef96a51f4d7e69627bc6f63307994e4263",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "psr/container": "^1.0"
-            },
-            "conflict": {
-                "symfony/config": "<3.3.7",
-                "symfony/finder": "<3.3",
-                "symfony/proxy-manager-bridge": "<3.4",
-                "symfony/yaml": "<3.4"
-            },
-            "provide": {
-                "psr/container-implementation": "1.0"
-            },
-            "require-dev": {
-                "symfony/config": "~3.3|~4.0",
-                "symfony/expression-language": "~2.8|~3.0|~4.0",
-                "symfony/yaml": "~3.4|~4.0"
-            },
-            "suggest": {
-                "symfony/config": "",
-                "symfony/expression-language": "For using expressions in service container configuration",
-                "symfony/finder": "For using double-star glob patterns or when GLOB_BRACE portability is required",
-                "symfony/proxy-manager-bridge": "Generate service proxies to lazy load them",
-                "symfony/yaml": ""
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\DependencyInjection\\": ""
+                    "Symfony\\Component\\Filesystem\\": ""
                 },
                 "exclude-from-classmap": [
                     "/Tests/"
@@ -2525,36 +2585,36 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony DependencyInjection Component",
+            "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-29T09:16:57+00:00"
+            "time": "2019-08-20T14:07:54+00:00"
         },
         {
-            "name": "symfony/filesystem",
-            "version": "v3.4.4",
+            "name": "symfony/finder",
+            "version": "v4.3.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/filesystem.git",
-                "reference": "e078773ad6354af38169faf31c21df0f18ace03d"
+                "url": "https://github.com/symfony/finder.git",
+                "reference": "86c1c929f0a4b24812e1eb109262fc3372c8e9f2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/e078773ad6354af38169faf31c21df0f18ace03d",
-                "reference": "e078773ad6354af38169faf31c21df0f18ace03d",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/86c1c929f0a4b24812e1eb109262fc3372c8e9f2",
+                "reference": "86c1c929f0a4b24812e1eb109262fc3372c8e9f2",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": "^7.1.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Filesystem\\": ""
+                    "Symfony\\Component\\Finder\\": ""
                 },
                 "exclude-from-classmap": [
                     "/Tests/"
@@ -2574,39 +2634,42 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Filesystem Component",
+            "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-03T07:37:34+00:00"
+            "time": "2019-08-14T12:26:46+00:00"
         },
         {
-            "name": "symfony/finder",
-            "version": "v3.4.4",
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/finder.git",
-                "reference": "613e26310776f49a1773b6737c6bd554b8bc8c6f"
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/613e26310776f49a1773b6737c6bd554b8bc8c6f",
-                "reference": "613e26310776f49a1773b6737c6bd554b8bc8c6f",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/550ebaac289296ce228a706d0867afc34687e3f4",
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "Symfony\\Component\\Finder\\": ""
+                    "Symfony\\Polyfill\\Ctype\\": ""
                 },
-                "exclude-from-classmap": [
-                    "/Tests/"
+                "files": [
+                    "bootstrap.php"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -2615,17 +2678,139 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
                 },
                 {
                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Finder Component",
+            "description": "Symfony polyfill for ctype functions",
             "homepage": "https://symfony.com",
-            "time": "2018-01-03T07:37:34+00:00"
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php73",
+            "version": "v1.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php73.git",
+                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/2ceb49eaccb9352bff54d22570276bb75ba4a188",
+                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.12-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php73\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2019-08-06T08:03:45+00:00"
+        },
+        {
+            "name": "symfony/service-contracts",
+            "version": "v1.1.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/service-contracts.git",
+                "reference": "ea7263d6b6d5f798b56a45a5b8d686725f2719a3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/ea7263d6b6d5f798b56a45a5b8d686725f2719a3",
+                "reference": "ea7263d6b6d5f798b56a45a5b8d686725f2719a3",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "psr/container": "^1.0"
+            },
+            "suggest": {
+                "symfony/service-implementation": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\Service\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Generic abstractions related to writing services",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "time": "2019-08-20T14:44:19+00:00"
         },
         {
             "name": "theseer/fdomdocument",
@@ -2669,16 +2854,16 @@
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.1.0",
+            "version": "1.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b"
+                "reference": "11336f6f84e16a720dae9d8e6ed5019efa85a0f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/cb2f008f3f05af2893a87208fe6a6c4985483f8b",
-                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/11336f6f84e16a720dae9d8e6ed5019efa85a0f9",
+                "reference": "11336f6f84e16a720dae9d8e6ed5019efa85a0f9",
                 "shasum": ""
             },
             "require": {
@@ -2700,33 +2885,33 @@
             "authors": [
                 {
                     "name": "Arne Blankerts",
-                    "email": "arne@blankerts.de",
-                    "role": "Developer"
+                    "role": "Developer",
+                    "email": "arne@blankerts.de"
                 }
             ],
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
-            "time": "2017-04-07T12:08:54+00:00"
+            "time": "2019-06-13T22:48:21+00:00"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.2.0",
+            "version": "1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f"
+                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/2db61e59ff05fe5126d152bd0655c9ea113e550f",
-                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/88e6d84706d09a236046d686bbea96f07b3a34f4",
+                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0"
+                "php": "^5.3.3 || ^7.0",
+                "symfony/polyfill-ctype": "^1.8"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.6",
-                "sebastian/version": "^1.0.1"
+                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
             },
             "type": "library",
             "extra": {
@@ -2755,7 +2940,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2016-11-23T20:04:58+00:00"
+            "time": "2019-08-24T08:43:50+00:00"
         }
     ],
     "aliases": [],
@@ -2764,7 +2949,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.0"
+        "php": ">=7.2"
     },
     "platform-dev": []
 }
diff --git a/src/Providers/RomansProvider.php b/src/Providers/RomansProvider.php
index f709f4f..597090b 100644
--- a/src/Providers/RomansProvider.php
+++ b/src/Providers/RomansProvider.php
@@ -2,6 +2,7 @@
 
 namespace Illuminate\Romans\Providers;
 
+use Illuminate\Contracts\Support\DeferrableProvider;
 use Illuminate\Support\ServiceProvider;
 use Romans\Filter\IntToRoman as IntToRomanFilter;
 use Romans\Filter\RomanToInt as RomanToIntFilter;
@@ -12,13 +13,8 @@
 /**
  * Romans Provider
  */
-class RomansProvider extends ServiceProvider
+class RomansProvider extends ServiceProvider implements DeferrableProvider
 {
-    /**
-     * {@inheritdoc}
-     */
-    protected $defer = true;
-
     /**
      * {@inheritdoc}
      */