diff --git a/.gitignore b/.gitignore
index 3071bb70..8a0eb032 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@ traceback*txt
 .coverage
 coverage.xml
 tags
+
+doc/_build
+doc/README.rst
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index b96b1e81..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,15 +0,0 @@
-include debug_me.py
-include try-the-debugger.sh
-include example-*.py
-include README.rst
-include LICENSE
-
-include doc/*.rst
-include doc/Makefile
-include doc/*.py
-include doc/conf.py
-include doc/images/*.png
-
-include examples/*.py
-
-include manual-tests/*.py
diff --git a/doc/.gitignore b/doc/.gitignore
deleted file mode 100644
index fca9edb6..00000000
--- a/doc/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-_build
-README.rst
diff --git a/pudb/__init__.py b/pudb/__init__.py
index b543480b..462c3810 100644
--- a/pudb/__init__.py
+++ b/pudb/__init__.py
@@ -24,13 +24,17 @@
 """
 
 
+import re
 import sys
+from importlib import metadata
 
 from pudb.settings import load_config
 
 
-NUM_VERSION = (2024, 1, 2)
-VERSION = ".".join(str(nv) for nv in NUM_VERSION)
+VERSION = metadata.version("pudb")
+_ver_match = re.match("^([0-9.]+)([a-z0-9]*?)$", VERSION)
+assert _ver_match
+NUM_VERSION = tuple(int(nr) for nr in _ver_match.group(1).split("."))
 __version__ = VERSION
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 58a19c6c..058fab83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,61 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "pudb"
+version = "2024.1.2"
+description = "A full-screen, console-based Python debugger"
+readme = "README.rst"
+license = "MIT"
+requires-python = "~=3.8"
+authors = [
+    { name = "Andreas Kloeckner", email = "inform@tiker.net" },
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Environment :: Console",
+    "Environment :: Console :: Curses",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Operating System :: POSIX",
+    "Operating System :: Unix",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Topic :: Software Development",
+    "Topic :: Software Development :: Debuggers",
+    "Topic :: Software Development :: Quality Assurance",
+    "Topic :: System :: Recovery Tools",
+    "Topic :: System :: Software Distribution",
+    "Topic :: Terminals",
+    "Topic :: Utilities",
+]
+dependencies = [
+    "jedi>=0.18,<1",
+    "packaging>=20.0",
+    "pygments>=2.7.4",
+    "urwid>=2.4",
+    "urwid_readline",
+]
+
+[project.optional-dependencies]
+completion = [
+    "shtab",
+]
+
+[project.scripts]
+pudb = "pudb.run:main"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/pudb",
+    "/doc",
+    "/try-the-debugger.sh",
+    "/debug_me.py",
+    "/examples",
+]
+
 [tool.ruff]
 preview = true
 
diff --git a/setup.py b/setup.py
deleted file mode 100644
index f79fe20f..00000000
--- a/setup.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env python
-
-from setuptools import find_packages, setup
-
-from pudb import VERSION
-
-
-with open("README.rst") as readme:
-    long_description = str(readme.read())
-
-setup(
-    name="pudb",
-    version=VERSION,
-    description="A full-screen, console-based Python debugger",
-    long_description=long_description,
-    author="Andreas Kloeckner",
-    author_email="inform@tiker.net",
-    python_requires="~=3.8",
-    install_requires=[
-        "urwid>=2.4",
-        "pygments>=2.7.4",
-        "jedi>=0.18,<1",
-        "urwid_readline",
-        "packaging>=20.0",
-    ],
-    extras_require={"completion": ["shtab"]},
-    test_requires=[
-        "pytest>=2",
-        "pytest-mock",
-    ],
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Environment :: Console",
-        "Environment :: Console :: Curses",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: MIT License",
-        "Natural Language :: English",
-        "Operating System :: POSIX",
-        "Operating System :: Unix",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Topic :: Software Development",
-        "Topic :: Software Development :: Debuggers",
-        "Topic :: Software Development :: Quality Assurance",
-        "Topic :: System :: Recovery Tools",
-        "Topic :: System :: Software Distribution",
-        "Topic :: Terminals",
-        "Topic :: Utilities",
-    ],
-    packages=find_packages(),
-    entry_points={
-        "console_scripts": [
-            # Deprecated. Should really use python -m pudb.
-            "pudb = pudb.run:main",
-            ],
-        "gui_script": [],
-    },
-)