diff --git a/requirements.dev.txt b/requirements.dev.txt
index 05817d83..2be94e0b 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -79,3 +79,4 @@ wheel==0.36.0
 # The following packages are considered to be unsafe in a requirements file:
 # pip
 # setuptools
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability