diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67abe1f..da4aa9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,20 +27,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-
-    - name: Get pip cache dir
-      id: pip-cache
-      run: |
-        echo "::set-output name=dir::$(pip cache dir)"
-
-    - name: Cache
-      uses: actions/cache@v3
-      with:
-        path: ${{ steps.pip-cache.outputs.dir }}
-        key:
-          ${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/tox.ini') }}
-        restore-keys: |
-          ${{ matrix.python-version }}-v1-
+        cache: 'pip'
 
     - name: Install dependencies
       run: |
diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..fb767da
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,13 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3"
+
+sphinx:
+  configuration: docs/en/source/conf.py
+
+python:
+  install:
+    - requirements: requirements-doc.txt
diff --git a/checklist.rst b/checklist.rst
index 2671b6e..a825750 100644
--- a/checklist.rst
+++ b/checklist.rst
@@ -4,7 +4,7 @@ Procedure:
 
 1. check CI status testing result: https://github.com/beproud/django-newauth/actions
 2. update release version/date in ``ChangeLog.rst``
-3. run ``python setup.py release sdist bdist_wheel``
+3. run ``python -m build``
 4. check ``twine check dist/*``
 5. upload ``twine upload dist/*``
 6. tagging version e.g. ``git tag 0.40``.
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..7d64159
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,47 @@
+[project]
+name = "django-newauth"
+dynamic = ['version']
+description = "Authentication for Django done right"
+authors = [
+    { name = "BeProud", email = "project@beproud.jp" },
+]
+readme = "README.rst"
+classifiers=[
+    'Development Status :: 3 - Alpha',
+    'Environment :: Plugins',
+    'Framework :: Django',
+    'Framework :: Django :: 3.2',
+    'Framework :: Django :: 4.2',
+    'Intended Audience :: Developers',
+    'License :: OSI Approved :: BSD License',
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 3',
+    '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',
+    'Topic :: Software Development :: Libraries :: Python Modules',
+]
+requires-python = ">=3.8"
+license = {file = "LICENSE"}
+dependencies = [
+    "Django>=3.2",
+]
+
+[project.urls]
+Homepage = "https://github.com/beproud/django-newauth/"
+Documentation = "http://django-newauth.rtfd.io/"
+Repository = "https://github.com/beproud/django-newauth.git"
+Changelog = "https://github.com/beproud/django-newauth/blob/master/ChangeLog.rst"
+
+[tool.setuptools]
+zip-safe = false
+include-package-data = true
+
+[tool.setuptools.dynamic]
+version = {attr = "newauth.VERSION"}
+
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index e70f1d8..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-[egg_info]
-tag_build = .dev
-tag_date = true
-
-[aliases]
-release = egg_info -Db ''
diff --git a/setup.py b/setup.py
deleted file mode 100644
index d3d044a..0000000
--- a/setup.py
+++ /dev/null
@@ -1,46 +0,0 @@
-#!/usr/bin/env python
-#:coding=utf-8:
-
-from setuptools import setup, find_packages
-from newauth import VERSION
-
-
-def read(filename):
-    with open(filename) as f:
-        return f.read()
-
-
-setup (
-    name='django-newauth',
-    version=VERSION,
-    description='Authentication for Django done right',
-    long_description=read('README.rst') + read('ChangeLog.rst'),
-    long_description_content_type='text/x-rst',
-    author='BeProud',
-    author_email='project@beproud.jp',
-    url='http://django-newauth.rtfd.io/',
-    classifiers=[
-        'Development Status :: 3 - Alpha',
-        'Environment :: Plugins',
-        'Framework :: Django',
-        'Framework :: Django :: 3.2',
-        'Framework :: Django :: 4.2',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: BSD License',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        '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',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-    ],
-    include_package_data=True,
-    packages=find_packages(),
-    install_requires=[
-        'Django>=3.2',
-    ],
-    test_suite='tests.main',
-    zip_safe=False,
-)
diff --git a/tox.ini b/tox.ini
index 1732746..ebd4842 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,6 +46,7 @@ DJANGO =
 deps =
     twine
     wheel
+    build
 commands =
-    python setup.py sdist bdist_wheel
+    python -m build -s -w
     twine check --strict dist/*