diff --git a/Dockerfile b/Dockerfile
index 87cbcea..1114a23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,11 @@
 FROM postgres:9.6
 MAINTAINER sebastien.beau@akretion.com
 
+RUN DEBIAN_FRONTEND=noninteractive && \
+    apt-get update && \
+    apt-get install -y postgresql-contrib && \
+    apt-get clean
+
 COPY dev-docker-entrypoint.sh /
 ENTRYPOINT ["/dev-docker-entrypoint.sh"]