diff --git a/composer.json b/composer.json
index 6c7bd91e..aaa04ed7 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "phpstan/phpstan-strict-rules": "~0.12.2",
     "phpunit/phpunit": "^7.5.20",
     "psalm/plugin-phpunit": "~0.10.1",
-    "symfony/filesystem": "^4.4.8",
+    "symfony/filesystem": "^4.4.9",
     "vimeo/psalm": "^3.11.4"
   },
   "config": {
diff --git a/composer.lock b/composer.lock
index b4bb216f..d36a28af 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": "2e94aa40cdcbc25cdc40d2086f539919",
+    "content-hash": "97562e72cd3319854bd64fd51283864b",
     "packages": [],
     "packages-dev": [
         {
@@ -3735,20 +3735,20 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v4.4.8",
+            "version": "v4.4.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "a3ebf3bfd8a98a147c010a568add5a8aa4edea0f"
+                "reference": "b27f491309db5757816db672b256ea2e03677d30"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/a3ebf3bfd8a98a147c010a568add5a8aa4edea0f",
-                "reference": "a3ebf3bfd8a98a147c010a568add5a8aa4edea0f",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/b27f491309db5757816db672b256ea2e03677d30",
+                "reference": "b27f491309db5757816db672b256ea2e03677d30",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": ">=7.1.3",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "type": "library",
@@ -3781,7 +3781,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2020-04-12T14:39:55+00:00"
+            "time": "2020-05-30T18:50:54+00:00"
         },
         {
             "name": "symfony/finder",
@@ -3888,16 +3888,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.16.0",
+            "version": "v1.17.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "1aab00e39cebaef4d8652497f46c15c1b7e45294"
+                "reference": "e94c8b1bbe2bc77507a1056cdb06451c75b427f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/1aab00e39cebaef4d8652497f46c15c1b7e45294",
-                "reference": "1aab00e39cebaef4d8652497f46c15c1b7e45294",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e94c8b1bbe2bc77507a1056cdb06451c75b427f9",
+                "reference": "e94c8b1bbe2bc77507a1056cdb06451c75b427f9",
                 "shasum": ""
             },
             "require": {
@@ -3909,7 +3909,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.16-dev"
+                    "dev-master": "1.17-dev"
                 }
             },
             "autoload": {
@@ -3942,7 +3942,7 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2020-05-08T16:50:20+00:00"
+            "time": "2020-05-12T16:14:59+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",