diff --git a/Dockerfile.openpilot b/Dockerfile.openpilot
index 98e1c0abf5555d..7a8717baf05408 100644
--- a/Dockerfile.openpilot
+++ b/Dockerfile.openpilot
@@ -2,7 +2,7 @@ FROM ubuntu:16.04
 ENV PYTHONUNBUFFERED 1
 
 RUN apt-get update && apt-get install -y build-essential clang vim screen wget bzip2 git libglib2.0-0 python-pip capnproto libcapnp-dev libzmq5-dev libffi-dev libusb-1.0-0
-RUN pip install numpy==1.11.2 scipy==0.18.1 matplotlib
+RUN pip install numpy==1.11.2 scipy==0.18.1 matplotlib==2.1.2
 
 COPY requirements_openpilot.txt /tmp/
 RUN pip install -r /tmp/requirements_openpilot.txt