diff --git a/python-web-applications/README.md b/python-web-applications/README.md
index 680e0a21f0..b78e557744 100644
--- a/python-web-applications/README.md
+++ b/python-web-applications/README.md
@@ -22,15 +22,14 @@ Start the Flask server:
 
 ```shell
 (venv) $ python main.py
- * Serving Flask app "main" (lazy loading)
- * Environment: production
-   WARNING: This is a development server. Do not use it in a production deployment.
-   Use a production WSGI server instead.
+ * Serving Flask app 'main'
  * Debug mode: on
- * Running on http://127.0.0.1:8080/ (Press CTRL+C to quit)
+WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
+ * Running on http://127.0.0.1:8080
+Press CTRL+C to quit
  * Restarting with stat
  * Debugger is active!
- * Debugger PIN: 339-986-221
+ * Debugger PIN: 936-229-353
 ```
 
 Navigate your web browser to this address: <http://127.0.0.1:8080/>
diff --git a/python-web-applications/app.yaml b/python-web-applications/app.yaml
index a0b5f22d0b..aa917e62ea 100644
--- a/python-web-applications/app.yaml
+++ b/python-web-applications/app.yaml
@@ -1 +1 @@
-runtime: python38
\ No newline at end of file
+runtime: python313
diff --git a/python-web-applications/requirements.txt b/python-web-applications/requirements.txt
index 7d47fc5fed..af266d21cd 100644
--- a/python-web-applications/requirements.txt
+++ b/python-web-applications/requirements.txt
@@ -1 +1 @@
-Flask==2.1.2
+Flask==3.1.3