diff --git a/requirements.txt b/requirements.txt
index 5eafe01..cc4fc9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,3 +12,4 @@ rednose==1.3.0
 pinocchio==0.4.2
 coverage==4.5.4
 pylint>=2.4.1
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability