diff --git a/docker/python-builder/Dockerfile b/docker/python-builder/Dockerfile
index 716aed202e..09da50688d 100644
--- a/docker/python-builder/Dockerfile
+++ b/docker/python-builder/Dockerfile
@@ -30,5 +30,5 @@ COPY scripts/get-extras-packages /usr/local/bin/get-extras-packages
 COPY scripts/install-from-bindep /output/install-from-bindep
 RUN dpkg -i /tmp/python3-dev_4.0.0_all.deb \
   && rm /tmp/python3-dev_4.0.0_all.deb \
-  && pip install bindep \
+  && pip install --no-cache-dir bindep \
   && rm -rf /var/lib/apt/lists/*