diff --git a/samples/web-app-cosmosdb-mongodb-api/python/src/requirements.txt b/samples/web-app-cosmosdb-mongodb-api/python/src/requirements.txt
index 95183b0..d5e44cb 100644
--- a/samples/web-app-cosmosdb-mongodb-api/python/src/requirements.txt
+++ b/samples/web-app-cosmosdb-mongodb-api/python/src/requirements.txt
@@ -1,4 +1,4 @@
-Flask==3.1.0
+Flask==3.1.3
 azure-identity==1.25.1
 pymongo==4.15.3
 gunicorn==23.0.0