diff --git a/requirements.txt b/requirements.txt
index fc99338..cbc8797 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -98,3 +98,4 @@ w3lib==1.21.0
 wasabi==0.4.2
 yellowbrick==1.0.1
 zope.interface==4.7.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability