diff --git a/demo-project/Dockerfile b/demo-project/Dockerfile
index 808e6d8e7c..88ff4284cb 100644
--- a/demo-project/Dockerfile
+++ b/demo-project/Dockerfile
@@ -1,5 +1,5 @@
 
-FROM python:3.8
+FROM python:3.9
 
 WORKDIR /code