diff --git a/composer.json b/composer.json
index 6b256f07..294a35e1 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "phpstan/phpstan-phpunit": "~0.12.8",
     "phpstan/phpstan-strict-rules": "~0.12.2",
     "phpunit/phpunit": "^7.5.20",
-    "symfony/filesystem": "^4.4.7"
+    "symfony/filesystem": "^4.4.8"
   },
   "config": {
     "platform": {
diff --git a/composer.lock b/composer.lock
index eeb6ab28..29de658e 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": "1327960d1bc1e2bf776c735e5f74e321",
+    "content-hash": "4a9896edb9fe0fc96e0f951a51ca7cf7",
     "packages": [
         {
             "name": "ergebnis/json-normalizer",
@@ -64,24 +64,6 @@
                 "json",
                 "normalizer"
             ],
-            "funding": [
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-                    "type": "custom"
-                },
-                {
-                    "url": "https://www.amazon.de/hz/wishlist/ls/2NCHMSJ4BC1OW",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://www.buymeacoffee.com/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/localheinz",
-                    "type": "github"
-                }
-            ],
             "time": "2020-04-19T12:30:41+00:00"
         },
         {
@@ -313,16 +295,6 @@
                 "ssl",
                 "tls"
             ],
-            "funding": [
-                {
-                    "url": "https://packagist.com",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
-                    "type": "tidelift"
-                }
-            ],
             "time": "2020-04-08T08:27:21+00:00"
         },
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@@ -331,12 +303,12 @@
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                 "url": "https://github.com/composer/composer.git",
-                "reference": "994a5b41c2a779929a436e443413e50a83613a0d"
+                "reference": "56edd53046fd697d32b2fd2fbaf45af5d7951671"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/composer/zipball/994a5b41c2a779929a436e443413e50a83613a0d",
-                "reference": "994a5b41c2a779929a436e443413e50a83613a0d",
+                "url": "https://api.github.com/repos/composer/composer/zipball/56edd53046fd697d32b2fd2fbaf45af5d7951671",
+                "reference": "56edd53046fd697d32b2fd2fbaf45af5d7951671",
                 "shasum": ""
             },
             "require": {
@@ -404,17 +376,7 @@
                 "dependency",
                 "package"
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-            "funding": [
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-                    "url": "https://packagist.com",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-04-26T07:15:15+00:00"
+            "time": "2020-04-28T09:57:03+00:00"
         },
         {
             "name": "composer/package-versions-deprecated",
@@ -469,16 +431,6 @@
                 }
             ],
             "description": "Composer plugin that provides efficient querying for installed package versions (no runtime IO)",
-            "funding": [
-                {
-                    "url": "https://packagist.com",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
-                    "type": "tidelift"
-                }
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             "time": "2020-04-23T11:49:37+00:00"
         },
         {
@@ -541,16 +493,6 @@
                 "validation",
                 "versioning"
             ],
-            "funding": [
-                {
-                    "url": "https://packagist.com",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
-                    "type": "tidelift"
-                }
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             "time": "2020-04-21T13:19:12+00:00"
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         {
@@ -655,12 +597,6 @@
                 "Xdebug",
                 "performance"
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-            "funding": [
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-                    "url": "https://packagist.com",
-                    "type": "custom"
-                }
-            ],
             "time": "2020-03-01T12:26:26+00:00"
         },
         {
@@ -839,24 +775,6 @@
                 "phpstan-extreme-rules",
                 "phpstan-rules"
             ],
-            "funding": [
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-                    "url": "https://paypal.me/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://www.amazon.de/hz/wishlist/ls/2NCHMSJ4BC1OW",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://www.buymeacoffee.com/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/localheinz",
-                    "type": "github"
-                }
-            ],
             "time": "2020-03-13T20:00:07+00:00"
         },
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@@ -917,20 +835,6 @@
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-            "funding": [
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-                    "url": "http://paypal.me/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://www.buymeacoffee.com/localheinz",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/localheinz",
-                    "type": "github"
-                }
-            ],
             "time": "2020-03-11T11:08:49+00:00"
         },
         {
@@ -1544,20 +1448,6 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "funding": [
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-                    "url": "https://github.com/ondrejmirtes",
-                    "type": "github"
-                },
-                {
-                    "url": "https://www.patreon.com/phpstan",
-                    "type": "patreon"
-                },
-                {
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-                    "type": "tidelift"
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             "time": "2020-04-19T20:35:10+00:00"
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@@ -2929,34 +2819,20 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "funding": [
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-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
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-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
             "time": "2020-03-30T11:41:10+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v4.4.7",
+            "version": "v4.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "fe297193bf2e6866ed900ed2d5869362768df6a7"
+                "reference": "a3ebf3bfd8a98a147c010a568add5a8aa4edea0f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/fe297193bf2e6866ed900ed2d5869362768df6a7",
-                "reference": "fe297193bf2e6866ed900ed2d5869362768df6a7",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/a3ebf3bfd8a98a147c010a568add5a8aa4edea0f",
+                "reference": "a3ebf3bfd8a98a147c010a568add5a8aa4edea0f",
                 "shasum": ""
             },
             "require": {
@@ -2993,21 +2869,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "funding": [
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-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
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-                    "type": "github"
-                },
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-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-03-27T16:54:36+00:00"
+            "time": "2020-04-12T14:39:55+00:00"
         },
         {
             "name": "symfony/finder",
@@ -3056,20 +2918,6 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "funding": [
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-                    "url": "https://symfony.com/sponsor",
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@@ -3128,20 +2976,6 @@
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@@ -3201,20 +3035,6 @@
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-            "funding": [
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@@ -3273,20 +3093,6 @@
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             "time": "2020-02-27T09:26:54+00:00"
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@@ -3336,20 +3142,6 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "funding": [
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-                    "type": "custom"
-                },
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-                    "type": "github"
-                },
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             "time": "2020-03-27T16:54:36+00:00"
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         {
@@ -3511,6 +3303,5 @@
     "platform-dev": [],
     "platform-overrides": {
         "php": "7.1.33"
-    },
-    "plugin-api-version": "1.1.0"
+    }
 }