diff --git a/samples/server/petstore/python-blueplanet/app/Dockerfile b/samples/server/petstore/python-blueplanet/app/Dockerfile
index 47f8a46f5610..777bb3d49983 100644
--- a/samples/server/petstore/python-blueplanet/app/Dockerfile
+++ b/samples/server/petstore/python-blueplanet/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3-alpine
+FROM python:3.13.0a1-alpine
 
 ARG GLTOKEN