diff --git a/requirements.txt b/requirements.txt
index 7c92530..ad4694e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,3 +10,4 @@ colorama==0.4.3
 pep8-naming==0.11.1
 darglint==1.8.0
 tbb
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability