diff --git a/Dockerfile b/Dockerfile
index d547a315ba56dd646a5a8e3d442104d5766c4a9d..03fbdaa28cd0788da9ca09af00594c7a0bd5b712 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,6 +30,7 @@ RUN apt-get update && \
       libgit2-dev \
       manpages \
       man-db \
+      python3.6 \
       less
 
 USER ${NB_USER}