diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7555e2e..07f6b8b 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -13,7 +13,7 @@ jobs:
       image: maven:3.9.4-eclipse-temurin-21   # Maven + JDK 21 vorinstalliert
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Build with Maven
         run: mvn -B package --file pom.xml