diff --git a/requirements.txt b/requirements.txt
index 4423028..e736189 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,3 +35,4 @@ s3transfer==0.6.1
 six==1.16.0
 tomli==2.0.1
 urllib3==1.26.16
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability