diff --git a/Dockerfile b/Dockerfile
index cbc711d..5f1ec84 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -75,9 +75,6 @@ WORKDIR ${WORK_DIR}
 COPY --chown=user:user . ${SRC_DIR}
 
 # installs buildozer and dependencies
-RUN pip3 install --user wheel Cython==0.28.6 ${SRC_DIR}
-
-# Upgrade virtualenv and pip
-RUN pip3 install -U pip virtualenv
+RUN pip3 install --user --upgrade Cython==0.28.6 wheel pip virtualenv ${SRC_DIR}
 
 ENTRYPOINT ["buildozer"]