diff --git a/test-requirements.txt b/test-requirements.txt
index 932a235..fc04f07 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,4 +7,4 @@ fixtures
 mock
 sphinx
 sphinx_rtd_theme
-setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
+setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability