diff --git a/requirements.txt b/requirements.txt
index 9bcaa5eb85..ad3f084f76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,3 +68,4 @@ werkzeug==0.16.1
 Authlib==0.15.5
 advocate==1.0.0
 # Cython
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability