diff --git a/requirements.txt b/requirements.txt
index e5cfb71e..4e8543b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 gevent>=1.1.0
 msgpack>=0.4.4
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability