diff --git a/requirements.txt b/requirements.txt
index 71fb396..19d3e3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ wolframalpha==5.0.0
 DateTime==4.3
 requests==2.26.0
 
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability