diff --git a/support/docker/Dockerfile b/support/docker/Dockerfile
index 8c6e2add60..6f76cd5114 100644
--- a/support/docker/Dockerfile
+++ b/support/docker/Dockerfile
@@ -30,6 +30,7 @@ RUN apt-get -o APT::Retries=3 install -y --no-install-recommends \
         cpio \
         cvs \
         file \
+        flake8 \
         g++-multilib \
         git \
         libc6:i386 \