diff --git a/requirements.txt b/requirements.txt
index d68ac4e..166dd92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 aiohttp
 elasticsearch
 datetime
-requests
\ No newline at end of file
+requests
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file