diff --git a/CHANGELOG.md b/CHANGELOG.md
index 263424e9..708a49c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## In development
 
+- Use ruff instead of black for formatting (#536).
 - Drop support for Python 3.7 in test matrix (#533).
 - Fix support for Django 4.2 in test matrix (#533).
 - Pass "horizontal_field_offset_class" to child renderers (#391, #521).
diff --git a/README.md b/README.md
index f4ab05f9..5ac966e2 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 [![CI](https://github.com/zostera/django-bootstrap5/workflows/CI/badge.svg?branch=main)](https://github.com/zostera/django-bootstrap5/actions?workflow=CI)
 [![Coverage Status](https://coveralls.io/repos/github/zostera/django-bootstrap5/badge.svg?branch=main)](https://coveralls.io/github/zostera/django-bootstrap5?branch=main)
 [![Latest PyPI version](https://img.shields.io/pypi/v/django-bootstrap5.svg)](https://pypi.python.org/pypi/django-bootstrap5)
-[![Any color you like](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
 
 Bootstrap 5 for Django.
 
diff --git a/pyproject.toml b/pyproject.toml
index ac5b6673..9fb69119 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -116,8 +116,7 @@ clean = "rm -rf docs/_build"
 
 [tool.hatch.envs.lint]
 dependencies = [
-  "black>=23.3.0",
-  "ruff>=0.0.270",
+  "ruff>0.1",
 ]
 detached = true
 
@@ -126,19 +125,14 @@ all = [
   "style",
 ]
 fmt = [
-  "black {args:.}",
   "ruff --fix {args:.}",
+  "ruff format {args:.}",
   "style",
 ]
 style = [
   "ruff {args:.}",
-  "black --check --diff {args:.}",
 ]
 
-[tool.black]
-line-length = 120
-target_version = ["py37", "py38", "py39", "py310", "py311"]
-
 [tool.ruff]
 fix = false
 fixable = [