diff --git a/requirements.txt b/requirements.txt
index e60b55d..231bf69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,3 +20,4 @@ markupsafe==3.0.2
     #   werkzeug
 werkzeug==3.1.3
     # via flask
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability