diff --git a/.github/workflows/modoboa.yml b/.github/workflows/modoboa.yml
index b3f27a07b..7422e1eec 100644
--- a/.github/workflows/modoboa.yml
+++ b/.github/workflows/modoboa.yml
@@ -159,10 +159,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up Python 3.8
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.8'
+          python-version: '3.10'
       - name: Build frontend
         shell: bash -l {0}
         run: |
@@ -176,12 +176,12 @@ jobs:
       - name: Build packages
         run: |
           sudo apt-get install librrd-dev rrdtool libssl-dev
-          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install --upgrade pip build
           pip install -r requirements.txt
           cd modoboa
           django-admin compilemessages
           cd ..
-          python setup.py sdist bdist_wheel
+          python -m build
       - name: Publish to Test PyPI
         if: endsWith(github.event.ref, '/master')
         uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/modoboa/__init__.py b/modoboa/__init__.py
index 4044639f7..1b52c3b1e 100644
--- a/modoboa/__init__.py
+++ b/modoboa/__init__.py
@@ -1,9 +1,13 @@
 """Modoboa - Mail hosting made simple."""
 
 from pkg_resources import DistributionNotFound, get_distribution
+from modoboa.core.commands import handle_command_line
 
 try:
     __version__ = get_distribution(__name__).version
 except DistributionNotFound:
     # package is not installed
     pass
+
+def modoboa_admin():
+    handle_command_line()
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 000000000..86353e4d7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,91 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "modoboa"
+dynamic = [
+   "version",
+   "optional-dependencies"
+]
+authors = [
+  { name="Antoine Nguyen", email="tonio@ngyn.org" },
+]
+description = "Mail hosting made simple"
+readme = "README.rst"
+requires-python = ">=3.7"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Framework :: Django :: 2.2",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: ISC License (ISCL)",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Topic :: Communications :: Email",
+    "Topic :: Internet :: WWW/HTTP",
+]
+keywords = ["email"]
+license = {file = "LICENSE"}
+dependencies = [
+    "django<4.0",
+    "django-ckeditor==6.3.0",
+    "django-phonenumber-field[phonenumbers]==7.0.2",
+    "django-reversion==5.0.4",
+    "django-xforwardedfor-middleware==2.0",
+    "django-otp==1.1.6",
+    "django-filter",
+    "django-rename-app==0.1.5",
+
+    "dj-database-url",
+
+    "djangorestframework>=3.11,<3.15",
+    "drf-spectacular",
+    "uritemplate",
+    "djangorestframework-simplejwt==5.2.2",
+
+    "passlib~=1.7.4",
+    "bcrypt",  # Requires libffi-dev and python-dev
+
+    "asgiref",
+    "dnspython==2.3.0",
+    "feedparser==6.0.10",
+    "gevent==22.10.2",
+    "jsonfield==3.1.0",
+    "Pillow",  # Optional dependency for django-ckeditor
+    "progressbar33==2.4",
+    "python-dateutil",
+    "cryptography",
+    "pytz",
+    "requests",
+    "lxml",
+    "chardet",
+    "ovh",
+    "oath",
+    "redis",
+    "rrdtool>=0.1.10",
+    "qrcode",
+
+    "aiosmtplib",
+    "aioredis==2.0.1",
+
+    # PDF credentials
+    "reportlab",
+
+    # DMARC
+    "tldextract>=2.0.2",
+    "defusedxml>=0.6.0",
+    "python-magic>=0.4.24",
+]
+
+
+[project.scripts]
+modoboa-cli = "modoboa:modoboa_admin"
+
+[project.urls]
+homepage = "http://modoboa.org/"
+documentation = "https://modoboa.readthedocs.io/en/latest/"
+repository = "https://github.com/modoboa/modoboa"