diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 97304a1..f7998b6 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -34,7 +34,7 @@ jobs:
         cache-name: cache-pip
       with:
         path: ~/.cache/pip
-        key: ${{ runner.os }}-${{ env.cache-name }}-${{ matrix.deps }}-${{ hashFiles('setup.py') }}
+        key: ${{ runner.os }}-${{ env.cache-name }}-${{ matrix.deps }}-${{ hashFiles('pyproject.toml', 'setup.cfg') }}
         restore-keys: |
           ${{ runner.os }}-${{ env.cache-name }}-${{ matrix.deps }}-
           ${{ runner.os }}-${{ env.cache-name }}-
diff --git a/.gitignore b/.gitignore
index dda2b4b..b841bb7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *.egg-info/
 __pycache__/
 /build/
+/dist/
 .cache/
 .eggs/
 *.pyc
diff --git a/README.rst b/README.rst
index 4ce6ee3..08ef28f 100644
--- a/README.rst
+++ b/README.rst
@@ -42,7 +42,7 @@ To install::
 
 To use the latest code, you can also clone this repository and run::
 
-  python3 setup.py install
+  pip install .
 
 To see available options::
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..aa7f987
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+# addopts = -n auto
diff --git a/setup.cfg b/setup.cfg
index 08b89b4..343d3e7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,71 @@
+# The complex upload command:
+# rm -rf dist && python -m build --sdist && twine check dist/* && twine upload -s dist/*
+
+[metadata]
+name = nvchecker
+version = attr: nvchecker.__version__
+author = lilydjwg
+author_email = lilydjwg@gmail.com
+description = New version checker for software
+license = MIT
+keywords = new, version, build, check
+url = https://github.com/lilydjwg/nvchecker
+long_description = file: README.rst
+long_description_content_type = text/x-rst
+platforms = any
+
+classifiers =
+  Development Status :: 5 - Production/Stable
+  Environment :: Console
+  Intended Audience :: Developers
+  Intended Audience :: System Administrators
+  License :: OSI Approved :: MIT License
+  Operating System :: OS Independent
+  Programming Language :: Python
+  Programming Language :: Python :: 3
+  Programming Language :: Python :: 3 :: Only
+  Programming Language :: Python :: 3.7
+  Programming Language :: Python :: 3.8
+  Programming Language :: Python :: 3.9
+  Programming Language :: Python :: 3.10
+  Topic :: Internet
+  Topic :: Internet :: WWW/HTTP
+  Topic :: Software Development
+  Topic :: System :: Archiving :: Packaging
+  Topic :: System :: Software Distribution
+  Topic :: Utilities
+
+[options]
+zip_safe = True
+
+packages = find_namespace:
+install_requires =
+  setuptools; python_version<"3.8"
+  tomli
+  structlog
+  appdirs
+  tornado>=6
+  pycurl
+scripts =
+  scripts/nvchecker-ini2toml
+  scripts/nvchecker-notify
+
+[options.packages.find]
+exclude = tests, build*, docs*
+
+[options.extras_require]
+vercmp =
+  pyalpm
+pypi =
+  packaging
+htmlparser =
+  lxml
+
+[options.entry_points]
+console_scripts =
+  nvchecker = nvchecker.__main__:main
+  nvtake = nvchecker.tools:take
+  nvcmp = nvchecker.tools:cmp
+
 [flake8]
 ignore = E111, E302, E501
-
-[tool:pytest]
-# addopts = -n auto
diff --git a/setup.py b/setup.py
deleted file mode 100755
index 7848538..0000000
--- a/setup.py
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/usr/bin/env python3
-
-from setuptools import setup, find_namespace_packages
-import nvchecker
-
-# The complex upload command:
-# rm -rf dist && python setup.py sdist && twine check dist/* && twine upload -s dist/*
-
-setup(
-  name = 'nvchecker',
-  version = nvchecker.__version__,
-  author = 'lilydjwg',
-  author_email = 'lilydjwg@gmail.com',
-  description = 'New version checker for software',
-  license = 'MIT',
-  keywords = 'new version build check',
-  url = 'https://github.com/lilydjwg/nvchecker',
-  long_description = open('README.rst', encoding='utf-8').read(),
-  long_description_content_type = 'text/x-rst',
-  platforms = 'any',
-  zip_safe = True,
-
-  packages = find_namespace_packages(exclude=['tests', 'build*', 'docs*']),
-  install_requires = ['setuptools; python_version<"3.8"', 'tomli', 'structlog', 'appdirs', 'tornado>=6', 'pycurl'],
-  extras_require = {
-    'vercmp': ['pyalpm'],
-    'pypi': ['packaging'],
-    'htmlparser': ['lxml'],
-  },
-  tests_require = [
-    'pytest',
-    'pytest-asyncio',
-    'pytest-httpbin',
-    'flaky',
-  ],
-  entry_points = {
-    'console_scripts': [
-      'nvchecker = nvchecker.__main__:main',
-      'nvtake = nvchecker.tools:take',
-      'nvcmp = nvchecker.tools:cmp',
-    ],
-  },
-  scripts = [
-    'scripts/nvchecker-ini2toml',
-    'scripts/nvchecker-notify',
-  ],
-
-  classifiers = [
-    "Development Status :: 5 - Production/Stable",
-    "Environment :: Console",
-    "Intended Audience :: Developers",
-    "Intended Audience :: System Administrators",
-    "License :: OSI Approved :: MIT License",
-    "Operating System :: OS Independent",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Topic :: Internet",
-    "Topic :: Internet :: WWW/HTTP",
-    "Topic :: Software Development",
-    "Topic :: System :: Archiving :: Packaging",
-    "Topic :: System :: Software Distribution",
-    "Topic :: Utilities",
-  ],
-)