diff --git a/composer.json b/composer.json
index 73ed4f1..a1f43f9 100644
--- a/composer.json
+++ b/composer.json
@@ -19,10 +19,10 @@
     "require": {
         "php": ">=5.3.0",
         "symfony/console": "^4.4",
-        "symfony/process": "~2.6|~3.0",
-        "symfony/config": "~2.6|~3.0",
+        "symfony/process": "^4.4",
+        "symfony/config": "^4.4",
         "cocur/slugify": "~1.0",
-        "symfony/yaml": "~2.6|~3.0"
+        "symfony/yaml": "^4.4"
     },
     "require-dev": {
       "phpunit/phpunit": "*",
diff --git a/composer.lock b/composer.lock
index f807585..31b3b45 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "40deba0bc27267264b8d934a187134be",
+    "content-hash": "9e04c52c713b59a68de8271123aad9aa",
     "packages": [
         {
             "name": "cocur/slugify",
@@ -120,32 +120,32 @@
         },
         {
             "name": "symfony/config",
-            "version": "v3.4.44",
+            "version": "v4.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "801a3bbc17fb1ba44b0d7d41a6db7a0b74953595"
+                "reference": "043bf8652c307ebc23ce44047d215eec889d8850"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/801a3bbc17fb1ba44b0d7d41a6db7a0b74953595",
-                "reference": "801a3bbc17fb1ba44b0d7d41a6db7a0b74953595",
+                "url": "https://api.github.com/repos/symfony/config/zipball/043bf8652c307ebc23ce44047d215eec889d8850",
+                "reference": "043bf8652c307ebc23ce44047d215eec889d8850",
                 "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|^5.0",
                 "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/event-dispatcher": "~3.3|~4.0",
-                "symfony/finder": "~3.3|~4.0",
-                "symfony/yaml": "~3.0|~4.0"
+                "symfony/event-dispatcher": "^3.4|^4.0|^5.0",
+                "symfony/finder": "^3.4|^4.0|^5.0",
+                "symfony/messenger": "^4.1|^5.0",
+                "symfony/service-contracts": "^1.1|^2",
+                "symfony/yaml": "^3.4|^4.0|^5.0"
             },
             "suggest": {
                 "symfony/yaml": "To use the yaml reference dumper"
@@ -153,7 +153,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.4-dev"
                 }
             },
             "autoload": {
@@ -180,7 +180,7 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2020-08-10T07:13:15+00:00"
+            "time": "2020-08-10T07:27:51+00:00"
         },
         {
             "name": "symfony/console",
@@ -564,25 +564,25 @@
         },
         {
             "name": "symfony/process",
-            "version": "v3.4.44",
+            "version": "v4.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "af8d812d75fcdf2eae30928b42396fe17df137e4"
+                "reference": "65e70bab62f3da7089a8d4591fb23fbacacb3479"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/af8d812d75fcdf2eae30928b42396fe17df137e4",
-                "reference": "af8d812d75fcdf2eae30928b42396fe17df137e4",
+                "url": "https://api.github.com/repos/symfony/process/zipball/65e70bab62f3da7089a8d4591fb23fbacacb3479",
+                "reference": "65e70bab62f3da7089a8d4591fb23fbacacb3479",
                 "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": "4.4-dev"
                 }
             },
             "autoload": {
@@ -609,7 +609,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2020-07-16T09:41:49+00:00"
+            "time": "2020-07-23T08:31:43+00:00"
         },
         {
             "name": "symfony/service-contracts",
@@ -675,27 +675,27 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.44",
+            "version": "v4.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "4152e36b0f305c2a57aa0233dee56ec27bca4f06"
+                "reference": "e2a69525b11a33be51cb00b8d6d13a9258a296b1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/4152e36b0f305c2a57aa0233dee56ec27bca4f06",
-                "reference": "4152e36b0f305c2a57aa0233dee56ec27bca4f06",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/e2a69525b11a33be51cb00b8d6d13a9258a296b1",
+                "reference": "e2a69525b11a33be51cb00b8d6d13a9258a296b1",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
+                "php": ">=7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
                 "symfony/console": "<3.4"
             },
             "require-dev": {
-                "symfony/console": "~3.4|~4.0"
+                "symfony/console": "^3.4|^4.0|^5.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
@@ -703,7 +703,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "4.4-dev"
                 }
             },
             "autoload": {
@@ -730,7 +730,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2020-08-26T06:32:27+00:00"
+            "time": "2020-08-26T08:30:46+00:00"
         }
     ],
     "packages-dev": [