diff --git a/flask/21_user_authentication_3/requirements.txt b/flask/21_user_authentication_3/requirements.txt
index 5800434..bbaee8a 100644
--- a/flask/21_user_authentication_3/requirements.txt
+++ b/flask/21_user_authentication_3/requirements.txt
@@ -12,7 +12,7 @@ Mako==0.9.1
 MarkupSafe==0.18
 SQLAlchemy==0.9.9
 WTForms==1.0.5
-Werkzeug==0.10.4
+Werkzeug==2.2.3
 alembic==0.6.2
 blinker==1.3
 itsdangerous==0.23