diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 14d5dbb..0de79d8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,13 +22,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        typo3: [ ^11.5 ]
-        php: [ '7.4', '8.0', '8.1', '8.2', '8.3' ]
+        typo3: [ ^11.5, ^12.4 ]
+        php: [ '8.0', '8.1', '8.2', '8.3' ]
         experimental: [false]
-        include:
-          - typo3: ^11.5
-            php: '8.1'
-            experimental: true
+        exclude:
+          - typo3: ^12.4
+            php: '8.0'
 
     continue-on-error: ${{ matrix.experimental }}
 
@@ -55,9 +54,9 @@ jobs:
       - name: Validate composer.json and composer.lock
         run: composer validate
 
-      - name: Install dependencies with nimut/typo3-complete:${{ matrix.typo3 }}
+      - name: Install dependencies with typo/cms-core:${{ matrix.typo3 }}
         run: |
-          composer require --dev nimut/typo3-complete:${{ matrix.typo3 }} --no-progress
+          composer require --dev typo/cms-core:${{ matrix.typo3 }} --no-progress
           git checkout composer.json
           ln -nfs .Build/vendor/typo3/cms/typo3 typo3
 
@@ -65,19 +64,19 @@ jobs:
         run: find . -name \*.php ! -path "./.Build/*" ! -path "./scripts/*" ! -path "./typo3_src/*" | parallel --gnu php -d display_errors=stderr -l {} > /dev/null \;
 
       - name: Unit Tests without coverage
-        if: matrix.typo3 != '^11.5' || matrix.php != '8.3'
+        if: matrix.typo3 != '^12.4' || matrix.php != '8.3'
         run: |
           export "UNIT_XML"=.Build/vendor/typo3/testing-framework/Resources/Core/Build/UnitTests.xml
           .Build/bin/phpunit --colors -c $UNIT_XML Tests/Unit
 
       - name: Unit Tests with coverage
-        if: matrix.typo3 == '^11.5' && matrix.php == '8.3'
+        if: matrix.typo3 == '^12.4' && matrix.php == '8.3'
         run: |
           export "UNIT_XML"=.Build/vendor/typo3/testing-framework/Resources/Core/Build/UnitTests-v10.xml 
           .Build/bin/phpunit --coverage-filter Classes --coverage-clover=unittest-coverage.clover --colors -c $UNIT_XML Tests/Unit/
 
       - name: Upload coverage results to Scrutinizer
         uses: sudo-bot/action-scrutinizer@latest
-        if: matrix.typo3 == '^11.5' && matrix.php == '8.3'
+        if: matrix.typo3 == '^12.4' && matrix.php == '8.3'
         with:
           cli-args: "--format=php-clover .Build/reports/php_all_tests/coverage_clover.xml --revision=${{ github.event.pull_request.head.sha || github.sha }}"