diff --git a/pyproject.toml b/pyproject.toml
index cffff986..1775872f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ docs = [
 ]
 dev = [
     "attribution == 1.6.2",
-    "black == 23.9.1",
+    "black == 23.10.1",
     "flake8 == 6.1.0",
     "flake8-bugbear == 23.9.16",
     "mypy == 1.6.1",