diff --git a/qooxdoo-kit/samples/simcore-integration (before)/services/Dockerfile b/qooxdoo-kit/samples/simcore-integration (before)/services/Dockerfile
index 626ac66..dcace2a 100644
--- a/qooxdoo-kit/samples/simcore-integration (before)/services/Dockerfile	
+++ b/qooxdoo-kit/samples/simcore-integration (before)/services/Dockerfile	
@@ -1,4 +1,4 @@
-FROM python:3.6-alpine as base
+FROM python:3.7.12-alpine as base
 #
 #  USAGE:
 #     cd sercices/web