diff --git a/requirements-dev.txt b/requirements-dev.txt
index e1b6799..d97ddf0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,3 +3,4 @@ pylint==2.16.2
 coverage==7.1.0
 requests==2.28.2
 requests_mock==1.10.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability