diff --git a/python/codes/flask/tutorial/requirements.txt b/python/codes/flask/tutorial/requirements.txt
index 83fab77..cc994ed 100644
--- a/python/codes/flask/tutorial/requirements.txt
+++ b/python/codes/flask/tutorial/requirements.txt
@@ -26,4 +26,4 @@ simplegeneric==0.8.1
 six==1.11.0
 traitlets==4.3.2
 wcwidth==0.1.7
-Werkzeug==0.15.3
+Werkzeug==2.2.3