diff --git a/Dockerfile b/Dockerfile
index 40a507c..1d61cae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ COPY vite.config.js ./
 RUN mkdir -p public && npm run build
 
 # Stage 2: FrankenPHP (Caddy + PHP in einem)
-FROM dunglas/frankenphp:latest-php8.3-alpine
+FROM dunglas/frankenphp:latest-php8.4-alpine
 
 # PHP-Extensions installieren (install-php-extensions löst System-Deps automatisch)
 RUN install-php-extensions \