diff --git a/multi-container/requirements.txt b/multi-container/requirements.txt
index eadf80f..7c2da41 100644
--- a/multi-container/requirements.txt
+++ b/multi-container/requirements.txt
@@ -1,2 +1,3 @@
 flask
-redis
\ No newline at end of file
+redis
+werkzeug>=2.2.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file