diff --git a/tools/docker/documentation/Dockerfile b/tools/docker/documentation/Dockerfile
index edc60e7a89b0410..f03045121d220e1 100644
--- a/tools/docker/documentation/Dockerfile
+++ b/tools/docker/documentation/Dockerfile
@@ -1,3 +1,3 @@
 FROM python:3.6-stretch
 
-RUN apt-get update && apt-get install --yes git
+RUN apt-get update && apt-get install --yes git virtualenv