diff --git a/Dockerfile b/Dockerfile
index 67b5a64..bc5262b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN \
   apt-get install -y git && \
   apt-get install -y python && \
   apt-get install -y python-requests && \
+  apt-get install -y python-pycodestyle && \
   apt-get install -y gpg && \
   apt-get install -y apt-transport-https && \
   apt-get install -y wget && \