diff --git a/.github/workflows/functionaltests.yml b/.github/workflows/functionaltests.yml
index 8518c35..7058290 100644
--- a/.github/workflows/functionaltests.yml
+++ b/.github/workflows/functionaltests.yml
@@ -10,15 +10,13 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: [ 7.4, 8.1 ]
-                flow-version: [ 5.3, 6.3, 7.3, 8.1 ]
+                php-version: [ 8.0, 8.1, 8.2, 8.3 ]
+                flow-version: [ '8.3', '9.0.0-beta' ]
                 exclude:
+                    - php-version: 8.0
+                      flow-version: '9.0.0-beta'
                     - php-version: 8.1
-                      flow-version: 5.3
-                    - php-version: 8.1
-                      flow-version: 6.3
-                    - php-version: 7.4
-                      flow-version: 8.1
+                      flow-version: '9.0.0-beta'
 
         env:
             APP_ENV: true
diff --git a/composer.json b/composer.json
index be558f7..2cebc64 100644
--- a/composer.json
+++ b/composer.json
@@ -5,9 +5,9 @@
     "keywords": ["neos", "resources", "storage", "compression", "zlib"],
     "license": "MIT",
     "require": {
-        "php": "^7.4 || ^8.0",
-        "neos/flow": "^5.3 || ^6.3 || ^7.3 || ^8.1",
-        "neos/utility-files": "^5.3 || ^6.3 || ^7.3 || ^8.1"
+        "php": "^8.0",
+        "neos/flow": "^8.3 || ^9.0",
+        "neos/utility-files": "^8.3 || ^9.0"
     },
     "suggest": {
         "ext-zlib": "For using zlib compression",