diff --git a/requirements.txt b/requirements.txt
index 8b378d8..7155ff1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ setuptools>=65.5.1
 typing_extensions
 wheel>=0.37.1
 werkzeug>=3.0.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability