diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index a8a8b77..4cd2496 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -11,12 +11,13 @@ jobs:
       fail-fast: false
       matrix:
         php-version: [8.0, 8.1, 8.2, 8.3]
-        flow-version: [7.3, 8.0]
+        flow-version: [8.3, '9.0.0-beta']
 
         exclude:
-          # Disable Flow 8.0 on PHP 7, as 8.0 is required
-          - php-version: 7.4
-            flow-version: 8.0
+          - php-version: 8.0
+            flow-version: '9.0.0-beta'
+          - php-version: 8.1
+            flow-version: '9.0.0-beta'
 
     env:
       FLOW_CONTEXT: Testing/Unit
diff --git a/composer.json b/composer.json
index 1b08e90..e5b8e57 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     ],
     "require": {
         "php": ">=8.0 <8.4",
-        "neos/flow": "^7.3 || ^8.0",
+        "neos/flow": "^8.0 || ^9.0",
         "doctrine/migrations": "^3.1"
     },
     "autoload": {