diff --git a/requirements.txt b/requirements.txt
index 9d107da..23d04c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ gftools
 ipdb
 isort
 pip-chill
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability