diff --git a/requirements-dev.txt b/requirements-dev.txt
index 888726d0..30d39185 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,2 +1,3 @@
 autopep8
 flake8
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability