diff --git a/Dockerfile b/Dockerfile
index db8f09bab..668b75b1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM python:3.6.3-alpine3.6
 
+# Git is required for repo2docker to work
+RUN apk add --no-cache git
 
 RUN mkdir /tmp/src
 ADD . /tmp/src