diff --git a/composer.lock b/composer.lock
index 8224ccb..488b29b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1510,16 +1510,16 @@
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-            "version": "v1.8.0",
+            "version": "v1.12.0",
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                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "3296adf6a6454a050679cde90f95350ad604b171"
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
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-                "reference": "3296adf6a6454a050679cde90f95350ad604b171",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
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@@ -1531,7 +1531,7 @@
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-                    "dev-master": "1.8-dev"
+                    "dev-master": "1.12-dev"
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@@ -1565,20 +1565,20 @@
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             ],
-            "time": "2018-04-26T10:06:28+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-php72",
-            "version": "v1.8.0",
+            "version": "v1.12.0",
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                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php72.git",
-                "reference": "a4576e282d782ad82397f3e4ec1df8e0f0cafb46"
+                "reference": "04ce3335667451138df4307d6a9b61565560199e"
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-                "reference": "a4576e282d782ad82397f3e4ec1df8e0f0cafb46",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/04ce3335667451138df4307d6a9b61565560199e",
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@@ -1587,7 +1587,7 @@
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-                    "dev-master": "1.8-dev"
+                    "dev-master": "1.12-dev"
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@@ -1620,20 +1620,20 @@
                 "portable",
                 "shim"
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-            "time": "2018-04-26T10:06:28+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v4.1.1",
+            "version": "v4.3.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "b2eebaec085d1f2cafbad7644733d494a3bbbc9b"
+                "reference": "ea4940845535c85ff5c505e13b3205b0076d07bf"
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-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/b2eebaec085d1f2cafbad7644733d494a3bbbc9b",
-                "reference": "b2eebaec085d1f2cafbad7644733d494a3bbbc9b",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/ea4940845535c85ff5c505e13b3205b0076d07bf",
+                "reference": "ea4940845535c85ff5c505e13b3205b0076d07bf",
                 "shasum": ""
             },
             "require": {
@@ -1647,6 +1647,7 @@
             },
             "require-dev": {
                 "ext-iconv": "*",
+                "symfony/console": "~3.4|~4.0",
                 "symfony/process": "~3.4|~4.0",
                 "twig/twig": "~1.34|~2.4"
             },
@@ -1661,7 +1662,7 @@
             "type": "library",
             "extra": {
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-                    "dev-master": "4.1-dev"
+                    "dev-master": "4.3-dev"
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             "autoload": {
@@ -1695,7 +1696,7 @@
                 "debug",
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             ],
-            "time": "2018-06-23T12:23:56+00:00"
+            "time": "2019-10-13T12:02:04+00:00"
         },
         {
             "name": "theseer/tokenizer",