diff --git a/MANIFEST.in b/MANIFEST.in
index 0312102..2aabda0 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,7 @@
 include *.py
 include *.rst
 include *.txt
+include tzlocal/py.typed
 recursive-include tests/test_data *
 include tests/*.py
 exclude Makefile
diff --git a/pyproject.toml b/pyproject.toml
index 7344ece..2ea40ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,53 @@
 [build-system]
-requires = ["setuptools >= 42", "wheel"]
+requires = ["setuptools >= 64"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "tzlocal"
+description = "tzinfo object for the local timezone"
+readme = "README.rst"
+version = "5.2.dev0"
+authors = [{name = "Lennart Regebro", email = "regebro@gmail.com"}]
+license = {text = "MIT"}
+keywords = ["timezone"]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: Microsoft :: Windows",
+    "Operating System :: Unix",
+    "Operating System :: MacOS :: MacOS X",
+    "Typing :: Typed",
+    "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",
+]
+requires-python = ">= 3.8"
+dependencies = [
+    "backports.zoneinfo; python_version < '3.9'",
+    "tzdata; platform_system == 'Windows'",
+]
+
+[project.urls]
+"Source code" = "https://github.com/regebro/tzlocal"
+Changelog = "https://github.com/regebro/tzlocal/blob/master/CHANGES.txt"
+"Issue tracker" = "https://github.com/regebro/tzlocal/issues"
+
+[project.optional-dependencies]
+devenv = [
+    "pytest >= 4.3",
+    "pytest-mock >= 3.3",
+    "pytest-cov",
+    "black",
+    "flake8",
+    "check_manifest",
+    "pyroma",
+    "zest.releaser",
+]
+
+[tool.zest.releaser]
+create-wheel = true
+
 [tool.pytest.ini_options]
 testpaths = "tests"
diff --git a/setup.cfg b/setup.cfg
index c76b1e6..22ea4dd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,54 +1,3 @@
-[metadata]
-name = tzlocal
-description = tzinfo object for the local timezone
-long_description = file: README.rst, CHANGES.txt
-version = 5.2.dev0
-author = Lennart Regebro
-author_email = regebro@gmail.com
-project_urls =
-    Source code = https://github.com/regebro/tzlocal
-    Issue tracker = https://github.com/regebro/tzlocal/issues
-license = MIT
-keywords = timezone
-classifiers =
-    Development Status :: 5 - Production/Stable
-    License :: OSI Approved :: MIT License
-    Operating System :: Microsoft :: Windows
-    Operating System :: Unix
-    Operating System :: MacOS :: MacOS X
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    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
-
-[options]
-packages = find:
-python_requires = >= 3.8
-zip_safe = True
-install_requires =
-    backports.zoneinfo; python_version < "3.9"
-    tzdata; platform_system == "Windows"
-
-[options.packages.find]
-include = tzlocal
-
-[options.extras_require]
-devenv =
-    pytest >= 4.3
-    pytest-mock >= 3.3
-    pytest-cov
-    black
-    flake8
-    check_manifest
-    pyroma
-    zest.releaser
-
-[zest.releaser]
-create-wheel = yes
-
 [flake8]
 max-line-length=120
 # black and flake8 differs in opinion here, and I can't change black:
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 6068493..0000000
--- a/setup.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from setuptools import setup
-
-setup()
diff --git a/tzlocal/py.typed b/tzlocal/py.typed
new file mode 100644
index 0000000..e69de29