diff --git a/setup.py b/setup.py
index 59c65d02d..e4d649119 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@
             "pytest-instafail==0.5.0",
             "pytest-cov==4.1.0",
             "pycodestyle==2.11.0",
-            "black==23.7.0",
+            "black==23.9.1",
             "isort==5.11.4",
             "mypy==1.5.1",
             # type stubs for mypy