diff --git a/backend-flask/requirements.txt b/backend-flask/requirements.txt
index 32fda58..242a779 100644
--- a/backend-flask/requirements.txt
+++ b/backend-flask/requirements.txt
@@ -27,3 +27,5 @@ psycopg[pool]
 
 boto3
 
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability
+werkzeug>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability