diff --git a/requirements.txt b/requirements.txt
index bbb34a05544651167bdad77ebc21027516627d86..17d64816872b468d46b04d96a0d142e1c55e0563 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,3 +17,4 @@ flake8
 coverage
 pyaml
 sphinx
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability