diff --git a/Dockerfile b/Dockerfile
index 9a0602d..d788a9e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,8 +11,11 @@ RUN pip3 install --upgrade pip
 
 WORKDIR '/data/pm'
 
-RUN pip install pykg-config
+RUN  pip install pykg-config && pip install -r requirements.txt
 
-RUN pip install -r requirements.txt
+RUN apk add tzdata && \
+    echo "Europe/Berlin" > /etc/timezone && \
+    cp /usr/share/zoneinfo/Europe/Berlin /etc/localtime && \
+    apk del tzdata
 
 CMD python3 pollmaster.py
\ No newline at end of file