diff --git a/requirements.txt b/requirements.txt
index f0010bb..02969e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ MarkupSafe==2.1.5
 SQLAlchemy==2.0.25
 typing_extensions==4.9.0
 Werkzeug==3.0.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability