diff --git a/requirements.txt b/requirements.txt
index ad10465..260dffb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ requests==2.27.1
 pytest==7.1.2
 pytest-env==0.6.2
 wheel==0.37.1
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability