diff --git a/Dockerfile b/Dockerfile
index cb2c87fa44007e9fc180582a83f734f85c91ae29..13fcec38c6e303214e23185cc12ed927a51d324f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:stable
+FROM debian:stretch
 
 RUN apt-get -yqq update
 RUN apt-get -yqq install virtualenv python python-dev vim git gcc libevent-dev libxml2-dev libxslt-dev patch beanstalkd mariadb-server libmariadb-dev libmariadbclient-dev-compat sqlite3