diff --git a/vote/requirements.txt b/vote/requirements.txt
index 430bfdcd89..1fdf71b32d 100644
--- a/vote/requirements.txt
+++ b/vote/requirements.txt
@@ -1,3 +1,4 @@
 Flask
 Redis
 gunicorn
+werkzeug>=2.2.3 # not directly required, pinned by Snyk to avoid a vulnerability