diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 703fafe..1306835 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -10,14 +10,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [8.0, 8.1, 8.2, 8.3, 8.4]
-        flow-version: [8.3, '9.0.0-beta']
+        php-version: [8.0, 8.1, 8.2, 8.3, 8.4, 8.5]
+        flow-version: ['8.3.0', '9.0.0']
 
         exclude:
           - php-version: 8.0
-            flow-version: '9.0.0-beta'
+            flow-version: '9.0.0'
           - php-version: 8.1
-            flow-version: '9.0.0-beta'
+            flow-version: '9.0.0'
 
     env:
       FLOW_CONTEXT: Testing/Unit
@@ -31,7 +31,7 @@ jobs:
           ini-values: opcache.fast_shutdown=0
 
       - name: "[1/5] Create composer project - Cache composer dependencies"
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.composer/cache
           key: php-${{ matrix.php-version }}-flow-${{ matrix.flow-version }}-composer-${{ hashFiles('composer.json') }}
@@ -39,7 +39,7 @@ jobs:
             php-${{ matrix.php-version }}-flow-${{ matrix.flow-version }}-composer-
             php-${{ matrix.php-version }}-flow-
       - name: "[2/5] Create composer project - No install"
-        run: composer create-project neos/flow-base-distribution ${{ env.FLOW_DIST_FOLDER }} --prefer-dist --no-progress --no-install "^${{ matrix.flow-version }}"
+        run: composer create-project neos/flow-base-distribution ${{ env.FLOW_DIST_FOLDER }} --prefer-dist --no-progress --no-install "~${{ matrix.flow-version }}"
 
       - name: "[3/5] Allow neos composer plugin"
         run: composer config --no-plugins allow-plugins.neos/composer-plugin true
@@ -54,7 +54,7 @@ jobs:
         working-directory: ${{ env.FLOW_DIST_FOLDER }}
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
         with:
           path: ${{ env.FLOW_DIST_FOLDER }}/DistributionPackages/Netlogix.Migrations
 
diff --git a/composer.json b/composer.json
index 458e019..91898aa 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
         "MIT"
     ],
     "require": {
-        "php": ">=8.0 <8.5",
+        "php": ">=8.0 <8.6",
         "neos/flow": "^8.0 || ^9.0",
         "doctrine/migrations": "^3.1"
     },