diff --git a/composer.lock b/composer.lock
index d590faa..e68962b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -933,20 +933,20 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.8.1",
+            "version": "1.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8"
+                "reference": "78af75148f9fdd34ea727c8b529a9b4a8f7b740c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
-                "reference": "3e01bdad3e18354c3dce54466b7fbe33a9f9f7f8",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/78af75148f9fdd34ea727c8b529a9b4a8f7b740c",
+                "reference": "78af75148f9fdd34ea727c8b529a9b4a8f7b740c",
                 "shasum": ""
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             "require": {
-                "php": "^7.1"
+                "php": "^7.2"
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             "replace": {
                 "myclabs/deep-copy": "self.version"
@@ -954,6 +954,8 @@
             "require-dev": {
                 "doctrine/collections": "^1.0",
                 "doctrine/common": "^2.6",
+                "phpstan/phpstan": "^0.9.2",
+                "phpstan/phpstan-phpunit": "^0.9.4",
                 "phpunit/phpunit": "^7.1"
             },
             "type": "library",
@@ -977,7 +979,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2018-06-11T23:09:50+00:00"
+            "time": "2018-10-30T00:14:44+00:00"
         },
         {
             "name": "netresearch/jsonmapper",
@@ -1088,7 +1090,7 @@
                     "homepage": "https://nette.org/contributors"
                 }
             ],
-            "description": "🅱 Nette Bootstrap: the simple way to configure and bootstrap your Nette application.",
+            "description": "? Nette Bootstrap: the simple way to configure and bootstrap your Nette application.",
             "homepage": "https://nette.org",
             "keywords": [
                 "bootstrapping",
@@ -1153,7 +1155,7 @@
                     "homepage": "https://nette.org/contributors"
                 }
             ],
-            "description": "💎 Nette Dependency Injection Container: Flexible, compiled and full-featured DIC with perfectly usable autowiring and support for all new PHP 7.1 features.",
+            "description": "? Nette Dependency Injection Container: Flexible, compiled and full-featured DIC with perfectly usable autowiring and support for all new PHP 7.1 features.",
             "homepage": "https://nette.org",
             "keywords": [
                 "compiled",
@@ -1475,7 +1477,7 @@
                     "homepage": "https://nette.org/contributors"
                 }
             ],
-            "description": "🛠 Nette Utils: lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.",
+            "description": "? Nette Utils: lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.",
             "homepage": "https://nette.org",
             "keywords": [
                 "array",
@@ -2885,16 +2887,16 @@
         },
         {
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-            "version": "8.0.6",
+            "version": "8.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "925109f8bbe6dae28fbc7bb07446a53abd3b1c25"
+                "reference": "37cfab19fdda1554f2830be83a566ade4e2ae098"
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-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/925109f8bbe6dae28fbc7bb07446a53abd3b1c25",
-                "reference": "925109f8bbe6dae28fbc7bb07446a53abd3b1c25",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/37cfab19fdda1554f2830be83a566ade4e2ae098",
+                "reference": "37cfab19fdda1554f2830be83a566ade4e2ae098",
                 "shasum": ""
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             "require": {
@@ -2937,7 +2939,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "8.0-dev"
+                    "dev-master": "8.1-dev"
                 }
             },
             "autoload": {
@@ -2963,7 +2965,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-03-26T14:00:24+00:00"
+            "time": "2019-04-05T05:27:33+00:00"
         },
         {
             "name": "pimple/pimple",
@@ -4577,16 +4579,16 @@
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.1.0",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b"
+                "reference": "1c42705be2b6c1de5904f8afacef5895cab44bf8"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/cb2f008f3f05af2893a87208fe6a6c4985483f8b",
-                "reference": "cb2f008f3f05af2893a87208fe6a6c4985483f8b",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/1c42705be2b6c1de5904f8afacef5895cab44bf8",
+                "reference": "1c42705be2b6c1de5904f8afacef5895cab44bf8",
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             "require": {
@@ -4613,7 +4615,7 @@
                 }
             ],
             "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": "2019-04-04T09:56:43+00:00"
         },
         {
             "name": "tightenco/collect",