diff --git a/docs/requirements.txt b/docs/requirements.txt
index 233617aa..e375f3ea 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -16,3 +16,4 @@ dill
 
 
 
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability