diff --git a/samples/web-app-cosmosdb-nosql-api/python/src/requirements.txt b/samples/web-app-cosmosdb-nosql-api/python/src/requirements.txt
index 05b818f..20306c1 100644
--- a/samples/web-app-cosmosdb-nosql-api/python/src/requirements.txt
+++ b/samples/web-app-cosmosdb-nosql-api/python/src/requirements.txt
@@ -1,4 +1,4 @@
-Flask==3.1.0
+Flask==3.1.3
 azure-mgmt-cosmosdb==9.8.0
 azure-cosmos==4.7.0
 gunicorn==20.1.0