diff --git a/backend/requirements.txt b/backend/requirements.txt
index a44eaed..2a7552e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,2 +1,3 @@
 boto3
 Flask
+werkzeug>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability