diff --git a/Dockerfile_light b/Dockerfile_light
index b3926ee..2c3c575 100644
--- a/Dockerfile_light
+++ b/Dockerfile_light
@@ -1,4 +1,4 @@
-FROM node:6
+FROM node:6.15.1-stretch
 MAINTAINER Petr Sloup <petr.sloup@klokantech.com>
 
 ENV NODE_ENV="production"