diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..4904a2d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,55 @@
+[build-system]
+build-backend = "hatchling.build"
+
+requires = [ "hatch-vcs", "hatchling" ]
+
+[project]
+name = "aleph-message"
+description = "Aleph.im message specification"
+readme = "README.md"
+license = { file = "LICENSE" }
+authors = [
+  { name = "Hugo Herter", email = "git@hugoherter.com" },
+]
+requires-python = ">=3"
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Programming Language :: Python :: 3",
+  "Intended Audience :: Developers",
+  "Topic :: System :: Distributed Computing",
+]
+dynamic = [ "version" ]
+dependencies = [
+  "pydantic>=1.10.5,<2.0.0",
+  "typing_extensions>=4.5.0",
+]
+urls.Documentation = "https://aleph.im/"
+urls.Homepage = "https://github.com/aleph-im/aleph-message"
+scripts.pyaleph = "aleph.commands:run"
+
+[tool.hatch.metadata]
+allow-direct-references = true
+
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.targets.wheel]
+packages = [
+  "Dockerfile",
+  "LICENSE",
+  "pyproject.toml",
+  "README.md",
+]
+
+[tool.hatch.build.targets.sdist]
+include = [
+  "Dockerfile",
+  "LICENSE",
+  "pyproject.toml",
+  "README.md",
+]
+
+[tool.pytest]
+markers = [
+    "slow: marks tests as slow (deselect with '-m \"not slow\"')",
+]
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 7617853..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[pytest]
-markers =
-    slow: marks tests as slow (deselect with '-m "not slow"')
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 1c4cce1..0000000
--- a/setup.py
+++ /dev/null
@@ -1,63 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Aleph Message - Python library for the Aleph.im message specification
-(c) 2022 OKESO for Aleph.im
-"""
-
-import os
-import re
-
-
-def get_version():
-    version_file = os.path.join("aleph_message", "__init__.py")
-    initfile_lines = open(version_file, "rt").readlines()
-    version = r"^__version__ = ['\"]([^'\"]*)['\"]"
-
-    for line in initfile_lines:
-        mo = re.search(version, line, re.M)
-        if mo:
-            return mo.group(1)
-    raise RuntimeError(f"Unable to find version string in {version_file}.")
-
-
-from setuptools import setup
-
-# allow setup.py to be run from any path
-os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
-
-with open("README.md") as file:
-    long_description = file.read()
-
-setup(
-    name="aleph-message",
-    version=get_version(),
-    description="Aleph.im message specification ",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Hugo Herter",
-    author_email="git@hugoherter.com",
-    url="https://github.com/aleph-im/aleph-message",
-    packages=[
-        "aleph_message",
-        "aleph_message.models",
-        "aleph_message.models.execution",
-    ],
-    package_data={
-        "aleph_message": ["py.typed"],
-        "aleph_message.models": ["py.typed"],
-        "aleph_message.models.execution": ["py.typed"],
-    },
-    data_files=[],
-    install_requires=[
-        "pydantic>=1.10.5,<2.0.0",
-        "typing_extensions>=4.5.0",
-    ],
-    license="MIT",
-    platform="any",
-    keywords="aleph.im message validation specification",
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Programming Language :: Python :: 3",
-        "Intended Audience :: Developers",
-        "Topic :: System :: Distributed Computing",
-    ],
-)