diff --git a/test-requirements.txt b/test-requirements.txt
index f87744ac..a5e65b38 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,3 +9,4 @@ requests
 setuptools>=30
 tox
 urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability