diff --git a/requirements.txt b/requirements.txt
index bbb34a05544651167bdad77ebc21027516627d86..eed1587c28985a2685b0810bdec05c409d423e1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,3 +17,4 @@ flake8
 coverage
 pyaml
 sphinx
+werkzeug>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability