diff --git a/.github/workflows/test-application.yaml b/.github/workflows/test-application.yaml
index 59f16423..c921bf35 100644
--- a/.github/workflows/test-application.yaml
+++ b/.github/workflows/test-application.yaml
@@ -54,7 +54,7 @@ jobs:
                           SULU_ADMIN_EMAIL:
                           DATABASE_URL: "mysql://root:@127.0.0.1:3306/sulu_test?serverVersion=8.0"
 
-                    - php-version: '8.3'
+                    - php-version: '8.4'
                       node-version: '16'
                       npm-version: '6'
                       mysql-version: '8.0'
@@ -195,7 +195,7 @@ jobs:
             fail-fast: false
             matrix:
                 include:
-                    - php-version: '8.1'
+                    - php-version: '8.3'
                       node-version: '16'
                       npm-version: '6'
                       mysql-version: '8.0'
diff --git a/composer.json b/composer.json
index e8dfbeaf..50cf6965 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "scheb/2fa-email": "^6.1",
         "scheb/2fa-trusted-device": "^6.1",
         "stof/doctrine-extensions-bundle": "^1.8",
-        "sulu/sulu": "~2.5.21",
+        "sulu/sulu": "~2.5@dev",
         "symfony/config": "^6.3",
         "symfony/dotenv": "^6.3",
         "symfony/flex": "^1.17 || ^2.0",