diff --git a/examples/simple-app-docker/Dockerfile b/examples/simple-app-docker/Dockerfile
index f2bbfa8..f674110 100644
--- a/examples/simple-app-docker/Dockerfile
+++ b/examples/simple-app-docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-slim
+FROM python:3.13.0rc2-slim
 
 WORKDIR /usr/src/app