diff --git a/requirements.txt b/requirements.txt
index 665256e..ca374ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ Flask-SQLAlchemy==2.5.1
 SQLAlchemy==1.3.3
 MarkupSafe==2.1.1
 Jinja2>=3.1.2
+werkzeug>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability