diff --git a/requirements/test.txt b/requirements/test.txt
old mode 100755
new mode 100644
index 8cf776fcd..9b32ed4b4
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -3,3 +3,4 @@ pylint >= 2.6.0
 pytest >= 6.1.2
 coverage~=4.5.4
 bandit
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability