diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6a6405d..686433b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,3 +5,4 @@ pre-commit
 pytest
 pytest-clarity
 pytest-icdiff
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability