diff --git a/qooxdoo-kit/samples/compile-upon-image-build/Dockerfile b/qooxdoo-kit/samples/compile-upon-image-build/Dockerfile
index 94816b3..ed2d3e1 100644
--- a/qooxdoo-kit/samples/compile-upon-image-build/Dockerfile
+++ b/qooxdoo-kit/samples/compile-upon-image-build/Dockerfile
@@ -13,7 +13,7 @@ RUN cd myapp && \
 
 
 #####################################################
-FROM python:3.6-alpine as production
+FROM python:3.7.12-alpine as production
 
 WORKDIR /work
 COPY --from=build /project/myapp/compiled/build/ .