diff --git a/defshine/0023/message-board/requirenments.txt b/defshine/0023/message-board/requirenments.txt
index 763f846f..f972939e 100644
--- a/defshine/0023/message-board/requirenments.txt
+++ b/defshine/0023/message-board/requirenments.txt
@@ -1,3 +1,4 @@
 Flask
 flask-mongoengine
-Flask-Script
\ No newline at end of file
+Flask-Script
+werkzeug>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file