diff --git a/python/user-auth-app/requirements.txt b/python/user-auth-app/requirements.txt
index 80240488..032199d3 100644
--- a/python/user-auth-app/requirements.txt
+++ b/python/user-auth-app/requirements.txt
@@ -1,4 +1,4 @@
-Flask==3.1.0
+Flask==3.1.3
 protobuf==5.29.2
 google_auth_oauthlib==1.2.1
 google-apps-chat==0.2.0