diff --git a/setup.py b/setup.py
index 978a371b..9e5e132b 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
     "importlib_resources < 6; python_version < '3.10'",
 ]
 
-tests_requirements.append("black==23.7.0")
+tests_requirements.append("black==23.9.1")
 
 setup(
     name="PyDrive2",