diff --git a/Dockerfile b/Dockerfile
index db541c3..a863b10 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/sameersbn/ubuntu:14.04.20151011
+FROM quay.io/sameersbn/ubuntu:14.04.20151013
 MAINTAINER Alexander Trost <galexrt@googlemail.com>
 
 ENV ZULIP_DIR="/home/zulip" ZULIP_VERSION="1.3.6" DATA_DIR="/data" \