diff --git a/requirements.txt b/requirements.txt
index 30875f39..cf8890b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,3 +25,4 @@ idna==2.6
 cryptography==2.3
 mock>=2.0.0
 daemonize==2.4.7
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability