diff --git a/requirements.txt b/requirements.txt
index d17066da..fed1770b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ python-dateutil
 plotnine
 matplotlib<3.6.0
 
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability