diff --git a/pyproject.toml b/pyproject.toml
index cac139c57..fe5daaaad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ publish = [
     "twine == 4.0.2",
 ]
 docs = [
-    "black==23.7.0",
+    "black==23.9.1",
     "mkdocs==1.5.2",
     "mkdocs-material==9.2.5",
     "mkdocstrings[python]==0.23.0",