--- a/contrib/docker/centos6 Fri May 30 14:14:33 2014 +0200
+++ b/contrib/docker/centos6 Sun Aug 31 13:41:09 2014 +0200
@@ -1,4 +1,4 @@
-FROM centos
+FROM centos:centos6
RUN yum install -y gcc
RUN yum install -y python-devel python-docutils
RUN yum install -y make