diff --git a/Dockerfile b/Dockerfile
index e69ab0d..18bdc63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,9 +6,13 @@ RUN apk add --update --no-cache python3 python3-dev git build-base freetype-dev
 	if [ ! -e /usr/bin/python ]; then ln -f /usr/bin/python3 /usr/bin/python ; fi && \
 	if [ ! -e /usr/bin/pip ]; then ln -f /usr/bin/pip3 /usr/bin/pip ; fi
 
-RUN pip install --upgrade pip
-RUN pip install cython
-RUN pip install geopy gpxpy matplotlib numpy pandas
+RUN pip install --upgrade pip && \
+    pip install cython && \
+    pip install numpy && \
+    pip install geopy && \
+    pip install gpxpy && \
+    pip install matplotlib && \
+    pip install pandas
 
 RUN git clone https://git.blackfinn.de/python/bicycle-statistics.git
 RUN cd bicycle-statistics && python setup.py install