diff --git a/requirements.txt b/requirements.txt
index 7d0f795..df68347 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ gunicorn==19.5
 psycopg2==2.5.1
 static==0.4
 wsgiref==0.1.2
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability