diff --git a/tox.ini b/tox.ini
index 44c37c5..59d7288 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ basepython =
     py312: python3.12
 
 deps =
+    setuptools==69.0.3
     # Keep this in sync with the dependencies in setup.py, requirements.txt, tox.ini.
     lower_bound_deps: beautifulsoup4==4.4.1
     lower_bound_deps: html5lib==0.999