diff --git a/Dockerfile b/Dockerfile
index 89483c59..2fbd3dbc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.6
+FROM python:3.6-stretch
 MAINTAINER Piero Toffanin <pt@masseranolabs.com>
 
 ENV PYTHONUNBUFFERED 1