diff --git a/Dockerfile b/Dockerfile
index 8689e25b..c964b6da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,5 +29,6 @@ COPY --from=java_build /Umbrella/backend/build/libs/backend.jar /home/umbrella/j
 RUN mkdir .config \
  && ln -s /host/config.json .config/Umbrella.json \
  && chmod a+rx plantuml.jar \
- && chown -R umbrella .
+ && chown -R umbrella . \
+ && ln -s /usr/share/zoneinfo/Europe/Berlin /etc/localtime
 USER umbrella