diff --git a/Dockerfile b/Dockerfile
index 86ce0e4..0dec8cd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,9 @@ WORKDIR /install
 COPY requirements.txt /requirements.txt
 RUN pip install --prefix=/install -r /requirements.txt
 
+ENV TZ=Europe/Berlin
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
 FROM base
 COPY --from=builder /install /usr/local
 RUN addgroup -S appgroup && adduser -S appuser -G appgroup