diff --git a/requirements.txt b/requirements.txt
index 37f6ff698..987d96fbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ Flask==1.1.2
 pytest==5.4.1
 pytest-json-report==1.2.1
 python-dotenv==0.13.0
+werkzeug>=3.0.6 # not directly required, pinned by Snyk to avoid a vulnerability