diff --git a/requirements.txt b/requirements.txt
index e62acb1..ba67b03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ draugr[all]
 six
 sorcery
 warg[all]>=1.2.9
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability