diff --git a/.circleci/prepare.sh b/.circleci/prepare.sh
index 991f0202a..ffedbcd12 100644
--- a/.circleci/prepare.sh
+++ b/.circleci/prepare.sh
@@ -4,7 +4,7 @@ set -o xtrace
 
 $PYTHON --version
 $PYTHON -m pip --version
-$PYTHON -m virtualenv -p "$PYTHON" venv
+$PYTHON -m virtualenv --download -p "$PYTHON" venv
 venv/bin/python -m pip install -e ".[dev]"
 venv/bin/python -m pip freeze
 venv/bin/python --version
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 90b965c2a..9fbeb6b6a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,12 +20,6 @@ repos:
     args: ["--fix", "--show-fixes"]
   - id: ruff-format
 
-- repo: https://github.com/asottile/setup-cfg-fmt
-  rev: v2.5.0
-  hooks:
-  - id: setup-cfg-fmt
-    args: [--include-version-classifiers, --min-py-version=3.8, --max-py-version=3.12]
-
 - repo: https://github.com/pre-commit/mirrors-mypy
   rev: v1.9.0
   hooks:
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 6fc0b3942..000000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,6 +0,0 @@
-recursive-include cibuildwheel *.cfg
-recursive-include cibuildwheel *.in
-recursive-include cibuildwheel *.py
-recursive-include cibuildwheel *.toml
-recursive-include cibuildwheel *.txt
-recursive-include cibuildwheel *.typed
diff --git a/pyproject.toml b/pyproject.toml
index ca0f39d9d..4113e2c30 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,9 +1,115 @@
 [build-system]
-requires = [
-    "setuptools>=42",
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "cibuildwheel"
+dynamic = ["version"]
+description = "Build Python wheels on CI with minimal configuration."
+readme = "README.md"
+license = "BSD-2-Clause"
+requires-python = ">=3.8"
+authors = [
+    { name = "Joe Rickerby", email = "joerick@mac.com" },
+]
+keywords = [
+    "appveyor",
+    "ci",
+    "linux",
+    "macos",
+    "packaging",
+    "pypi",
+    "travis",
+    "wheel",
+    "windows",
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Natural Language :: English",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Software Development :: Build Tools",
+]
+dependencies = [
+    "bashlex!=0.13",
+    "bracex",
+    "certifi",
+    "filelock",
+    "packaging>=20.9",
+    "platformdirs",
+    "tomli;python_version < '3.11'",
+    "typing-extensions>=4.1.0;python_version < '3.11'",
+]
+
+[project.optional-dependencies]
+bin = [
+    "click",
+    "packaging>=21.0",
+    "pip-tools",
+    "pygithub",
+    "pyyaml",
+    "requests",
+    "rich>=9.6",
+]
+dev = [
+    "build",
+    "click",
+    "jinja2",
+    "packaging>=21.0",
+    "pip-tools",
+    "pygithub",
+    "pytest-timeout",
+    "pytest-xdist",
+    "pytest>=6",
+    "pyyaml",
+    "requests",
+    "rich>=9.6",
+    "tomli_w",
+    "validate-pyproject",
 ]
-build-backend = "setuptools.build_meta"
+docs = [
+    "jinja2>=3.1.2",
+    "mkdocs-include-markdown-plugin==2.8.0",
+    "mkdocs-macros-plugin",
+    "mkdocs==1.3.1",
+    "pymdown-extensions",
+]
+test = [
+    "build",
+    "jinja2",
+    "pytest-timeout",
+    "pytest-xdist",
+    "pytest>=6",
+    "tomli_w",
+    "validate-pyproject",
+]
+
+[project.scripts]
+cibuildwheel = "cibuildwheel.__main__:main"
+
+[project.entry-points."validate_pyproject.tool_schema"]
+cibuildwheel = "cibuildwheel.schema:get_schema"
 
+[project.urls]
+Changelog = "https://github.com/pypa/cibuildwheel#changelog"
+Documentation = "https://cibuildwheel.pypa.io"
+Homepage = "https://github.com/pypa/cibuildwheel"
+
+[tool.hatch.version]
+path = "cibuildwheel/__init__.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/cibuildwheel",
+]
 
 [tool.pytest.ini_options]
 minversion = "6.0"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 5a8196198..000000000
--- a/setup.cfg
+++ /dev/null
@@ -1,57 +0,0 @@
-[metadata]
-name = cibuildwheel
-version = 2.17.0
-description = Build Python wheels on CI with minimal configuration.
-long_description = file: README.md
-long_description_content_type = text/markdown
-url = https://github.com/pypa/cibuildwheel
-author = Joe Rickerby
-author_email = joerick@mac.com
-license = BSD-2-Clause
-license_files = LICENSE
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved :: BSD License
-    Natural Language :: English
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: Implementation :: CPython
-    Topic :: Software Development :: Build Tools
-keywords = ci,wheel,packaging,pypi,travis,appveyor,macos,linux,windows
-project_urls =
-    Changelog=https://github.com/pypa/cibuildwheel#changelog
-    Documentation=https://cibuildwheel.pypa.io/
-
-[options]
-packages = find:
-install_requires =
-    bashlex!=0.13
-    bracex
-    certifi
-    filelock
-    packaging>=20.9
-    platformdirs
-    tomli;python_version < '3.11'
-    typing-extensions>=4.1.0;python_version < '3.11'
-python_requires = >=3.8
-include_package_data = True
-zip_safe = False
-
-[options.packages.find]
-include =
-    cibuildwheel
-
-[options.entry_points]
-console_scripts =
-    cibuildwheel = cibuildwheel.__main__:main
-validate_pyproject.tool_schema =
-    cibuildwheel = cibuildwheel.schema:get_schema
-
-[options.package_data]
-cibuildwheel = resources/*
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 90f83feda..000000000
--- a/setup.py
+++ /dev/null
@@ -1,38 +0,0 @@
-from __future__ import annotations
-
-from setuptools import setup
-
-extras = {
-    "docs": [
-        "mkdocs-include-markdown-plugin==2.8.0",
-        "mkdocs==1.3.1",
-        "jinja2>=3.1.2",
-        "pymdown-extensions",
-        "mkdocs-macros-plugin",
-    ],
-    "test": [
-        "jinja2",
-        "pytest>=6",
-        "pytest-timeout",
-        "pytest-xdist",
-        "build",
-        "tomli_w",
-        "validate-pyproject",
-    ],
-    "bin": [
-        "click",
-        "pip-tools",
-        "pygithub",
-        "pyyaml",
-        "requests",
-        "rich>=9.6",
-        "packaging>=21.0",
-    ],
-}
-
-extras["dev"] = [
-    *extras["test"],
-    *extras["bin"],
-]
-
-setup(extras_require=extras)