diff --git a/mypy-requirements.txt b/mypy-requirements.txt
index 70e89d1005..9770253f40 100644
--- a/mypy-requirements.txt
+++ b/mypy-requirements.txt
@@ -7,3 +7,4 @@ trustme==0.9.0
 types-backports
 types-requests
 nox
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability