diff --git a/mypy.ini b/mypy.ini
deleted file mode 100644
index db6380e..0000000
--- a/mypy.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[mypy]
-warn_unused_configs = true
-
-[mypy-html5lib]
-ignore_missing_imports = true
-
-[mypy-packaging.*]
-ignore_missing_imports = true
diff --git a/pyproject.toml b/pyproject.toml
index 102eca0..fd392b0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,63 @@
+[project]
+name = "resolvelib"
+dynamic = ["version"]
+description = "Resolve abstract dependencies into concrete ones"
+authors = [
+    {name = "Tzu-ping Chung", email = "uranusjr@gmail.com"},
+]
+dependencies = []
+requires-python = ">=3.7"
+readme = "README.rst"
+license = {text = "ISC License"}
+keywords = ["dependency", "resolution"]
+classifiers = [
+	"Development Status :: 3 - Alpha",
+	"Intended Audience :: Developers",
+	"License :: OSI Approved :: ISC License (ISCL)",
+	"Operating System :: OS Independent",
+	"Programming Language :: Python :: 3",
+	"Topic :: Software Development :: Libraries :: Python Modules",
+
+]
+
+[project.urls]
+Homepage = "https://github.com/sarugaku/resolvelib"
+
+[project.optional-dependencies]
+lint = [
+    "black==23.12.1",
+    "flake8",
+    "Flake8-pyproject",
+    "isort",
+    "mypy",
+    "types-requests",
+]
+test = [
+    "packaging",
+    "pytest",
+]
+release = [
+    "build",
+    "towncrier",
+    "twine",
+]
+
 [build-system]
 requires = ['setuptools>=62', 'wheel']
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages]
+find = {where = ["src"], namespaces = false}
+
+[tool.setuptools.dynamic]
+version = {attr = "resolvelib.__version__"}
+
+[tool.distutils.bdist_wheel]
+universal = true
+
 
 [tool.black]
 line-length = 79
@@ -33,3 +91,28 @@ showcontent = true
 directory = 'trivial'
 name = 'Trivial Changes'
 showcontent = false
+
+[tool.flake8]
+max-line-length = 88
+select = ["C","E","F","W","B"]
+ignore = ["E203", "W503", "F401"]
+exclude = [
+	".git",
+	".venv",
+	".venvs",
+	".nox",
+	"__pycache__",
+	"build",
+	"dist",
+	"*.pyi"
+]
+
+[tool.mypy]
+warn_unused_configs = true
+
+[[tool.mypy.overrides]]
+module = [
+    "html5lib",
+    "packaging.*"
+]
+ignore_missing_imports = true
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 564d679..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,69 +0,0 @@
-[metadata]
-name = resolvelib
-version = attr: resolvelib.__version__
-description = Resolve abstract dependencies into concrete ones
-url = https://github.com/sarugaku/resolvelib
-author = Tzu-ping Chung
-author_email = uranusjr@gmail.com
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-license = ISC License
-keywords =
-	dependency
-	resolution
-classifier =
-	Development Status :: 3 - Alpha
-	Intended Audience :: Developers
-	License :: OSI Approved :: ISC License (ISCL)
-	Operating System :: OS Independent
-	Programming Language :: Python :: 2
-	Programming Language :: Python :: 3
-	Topic :: Software Development :: Libraries :: Python Modules
-
-[options]
-package_dir =
-	= src
-packages = find:
-include_package_data = true
-zip_safe = false
-python_requires = >=3.7
-
-[options.packages.find]
-where = src
-
-[options.extras_require]
-examples =
-	html5lib
-	packaging
-	pygraphviz
-	requests
-lint =
-	black==23.12.1
-	flake8
-	mypy
-	isort
-	types-requests
-test =
-	packaging
-	pytest
-release =
-	build
-	towncrier
-	twine
-
-[bdist_wheel]
-universal = 1
-
-[flake8]
-max-line-length = 88
-select = C,E,F,W,B
-ignore = E203, W503, F401
-exclude =
-	.git,
-	.venv,
-	.venvs,
-	.nox,
-	__pycache__,
-	build,
-	dist,
-	*.pyi
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 6068493..0000000
--- a/setup.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from setuptools import setup
-
-setup()