diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0c5a37eb..7986d958 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,4 @@
 covdefaults
 coverage
 pytest
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability