diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index b75983de2..cfa423758 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -15,8 +15,22 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  matrix:
+    runs-on: ubuntu-latest-low
+    outputs:
+      matrix: ${{ steps.versions.outputs.sparse-matrix }}
+    steps:
+      - name: Checkout app
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Get version matrix
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
+        with:
+          matrix: '{"mysql-versions": ["8.1"]}'
+
   changes:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-low
 
     outputs:
       src: ${{ steps.changes.outputs.src}}
@@ -42,14 +56,11 @@ jobs:
   phpunit-mysql:
     runs-on: ubuntu-latest
 
-    needs: changes
+    needs: [changes, matrix]
     if: needs.changes.outputs.src != 'false'
 
     strategy:
-      matrix:
-        php-versions: ['8.0', '8.1', '8.2', '8.3']
-        server-versions: ['master']
-        mysql-versions: ['8.1']
+      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
 
     name: MySQL ${{ matrix.mysql-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
@@ -60,7 +71,7 @@ jobs:
           - 4444:3306/tcp
         env:
           MYSQL_ROOT_PASSWORD: rootpassword
-        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 5
+        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 10
 
     steps:
       - name: Set app env
@@ -98,7 +109,7 @@ jobs:
 
       - name: Check composer file existence
         id: check_composer
-        uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v2
+        uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v3.0.0
         with:
           files: apps/${{ env.APP_NAME }}/composer.json
 
@@ -162,7 +173,7 @@ jobs:
   summary:
     permissions:
       contents: none
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-low
     needs: [changes, phpunit-mysql]
 
     if: always()