diff --git a/lessons/173/myapp/requirements.txt b/lessons/173/myapp/requirements.txt
index 683473ce1..86c8a0ba4 100644
--- a/lessons/173/myapp/requirements.txt
+++ b/lessons/173/myapp/requirements.txt
@@ -7,4 +7,4 @@ Jinja2==3.1.2
 MarkupSafe==2.1.3
 packaging==23.1
 prometheus-client==0.17.1
-Werkzeug==2.3.7
+Werkzeug==3.1.5