Upgrade black.
diff --git a/requirements-lint.txt b/requirements-lint.txt
index 6eda19e..b3de16d 100644
--- a/requirements-lint.txt
+++ b/requirements-lint.txt
@@ -3,7 +3,7 @@
astroid==2.15.6; python_version >= '3.8'
pylint==2.17.5; python_version >= '3.8'
bandit==1.7.4; python_version >= '3.7'
-black==22.12.0; python_version >= '3.6' and implementation_name == "cpython"
+black==23.7.0; python_version >= '3.7' and implementation_name == "cpython"
isort[pyproject]==5.12.0; python_version >= '3.8'
pyupgrade==3.3.1
rstcheck==6.1.2; python_version >= '3.7'
