diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 07f6b8b..689ba87 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container:
-      image: maven:3.9.4-eclipse-temurin-21   # Maven + JDK 21 vorinstalliert
+      image: nektos/act-environments-ubuntu
 
     steps:
       - uses: actions/checkout@v6