diff --git a/projects/Todo_app/requirements.txt b/projects/Todo_app/requirements.txt
index 44389c85c..57c273859 100644
--- a/projects/Todo_app/requirements.txt
+++ b/projects/Todo_app/requirements.txt
@@ -1,2 +1,3 @@
 Flask==1.1.2
 Flask-SQLAlchemy==2.4.4
+werkzeug>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability