diff --git a/requirements.txt b/requirements.txt
index 817fad7..59fbe76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 boto3
 google-cloud-storage >= 1.7.0
 requests
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability