diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5302a18..02acffb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,3 +4,4 @@ isort
 pylint
 pylint-exit
 pytest
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability