diff --git a/playground/AzureContainerApps/AzureContainerApps.AppHost/AppWithDocker/Dockerfile b/playground/AzureContainerApps/AzureContainerApps.AppHost/AppWithDocker/Dockerfile
index bc6a71ff816..786977e83ac 100644
--- a/playground/AzureContainerApps/AzureContainerApps.AppHost/AppWithDocker/Dockerfile
+++ b/playground/AzureContainerApps/AzureContainerApps.AppHost/AppWithDocker/Dockerfile
@@ -1,5 +1,5 @@
 # Use an official Python runtime as a parent image
-FROM python:3.8-slim
+FROM python:3.14.0rc2-slim
 
 # Set the working directory in the container
 WORKDIR /app