diff --git a/requirements.txt b/requirements.txt
index 122becbf..d9b37321 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ PyJWT
 pyotp
 qrcode
 requests
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability