diff --git a/Backend/Dockerfile b/Backend/Dockerfile
index e10f18b..0d31a1a 100644
--- a/Backend/Dockerfile
+++ b/Backend/Dockerfile
@@ -17,7 +17,7 @@ RUN ./gradlew clean build -x test
 RUN find . -name "*-plain.jar" -type f -delete
 
 # ===== Stage 2: Runtime – Minimaler JRE Container =====
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:25-jre
 WORKDIR /app
 
 # Kopiere das erstellte Jar in den Runtime-Container