diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 89e032a..cd1153f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,28 +12,33 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v4
+
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools wheel
-        pip install --no-cache-dir -e .[test]
-        pip list
+        python -m pip install --upgrade '.[test]'
+        python -m pip list
+
     - name: Lint with Flake8
-      if: matrix.python-version == 3.7 && matrix.os == 'ubuntu-latest'
+      if: matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
       run: |
         flake8 --exclude=tests/* --ignore=E501,W503
+
     - name: Test with pytest
       run: |
-        python -m pytest
+        pytest
+
     - name: Report coverage with Codecov
-      if: github.event_name == 'push' && matrix.python-version == 3.7 && matrix.os == 'ubuntu-latest'
+      if: github.event_name == 'push' && matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
       uses: codecov/codecov-action@v1
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..77a10e4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,65 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "make-it-sync"
+version = "1.0.0"
+description = "Create a sync version of an async function"
+readme = "README.md"
+requires-python = ">=3.7"
+license = "MIT"
+keywords = []
+authors = [
+  { name = "Gordon Watts", email = "gwatts@uw.edu" },
+]
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Intended Audience :: Developers",
+  "Intended Audience :: Information Technology",
+  "Topic :: Software Development",
+  "Topic :: Utilities",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3.7",
+  "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",
+  "Programming Language :: Python :: Implementation :: CPython",
+]
+dependencies = []
+
+[project.urls]
+Documentation = "https://github.com/gordonwatts/make-it-sync"
+Homepage = "https://github.com/gordonwatts/make-it-sync"
+Issues = "https://github.com/gordonwatts/make-it-sync/issues"
+"Release Notes" = "https://github.com/gordonwatts/make-it-sync/releases"
+"Releases" = "https://github.com/gordonwatts/make-it-sync/releases"
+"Source Code" = "https://github.com/gordonwatts/make-it-sync"
+
+[project.optional-dependencies]
+test = [
+    "pytest>=3.9",
+    "pytest-asyncio",
+    "pytest-mock",
+    "pytest-cov",
+    "coverage",
+    "flake8",
+    "codecov",
+    "autopep8",
+    "build",
+    "twine",
+    "wheel",
+]
+
+[tool.hatch.build.targets.sdist]
+# hatchling always includes:
+# pyproject.toml, .gitignore, any README, any LICENSE, AUTHORS
+include = [
+    "/make_it_sync/",
+    "/tests/"
+]
+
+[tool.hatch.build.targets.wheel]
+packages = ["make_it_sync"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index d3444f4..0000000
--- a/setup.py
+++ /dev/null
@@ -1,55 +0,0 @@
-# setuptools loads some plugins necessary for use here.
-from setuptools import find_packages  # noqa: F401
-from distutils.core import setup
-
-# Use the readme as the long description.
-with open("README.md", "r") as fh:
-    long_description = fh.read()
-
-setup(name="make-it-sync",
-      version='1.0.0',
-      packages=['make_it_sync'],
-      scripts=[],
-      description="Create a sync version of an async function",
-      long_description=long_description,
-      long_description_content_type="text/markdown",
-      author="G. Watts (IRIS-HEP/UW Seattle)",
-      author_email="gwatts@uw.edu",
-      maintainer="Gordon Watts (IRIS-HEP/UW Seattle)",
-      maintainer_email="gwatts@uw.edu",
-      url="https://github.com/gordonwatts/make-it-sync",
-      license="MIT",
-      python_requires='>=3.6',
-      test_suite="tests",
-      install_requires=[
-      ],
-      extras_require={
-          'test': [
-              'pytest>=3.9',
-              'pytest-asyncio',
-              'pytest-mock',
-              'pytest-cov',
-              'coverage',
-              'flake8',
-              'codecov',
-              'autopep8',
-              'twine',
-              'wheel'
-          ],
-      },
-      classifiers=[
-          "Development Status :: 3 - Alpha",
-          # "Development Status :: 4 - Beta",
-          # "Development Status :: 5 - Production/Stable",
-          # "Development Status :: 6 - Mature",
-          "Intended Audience :: Developers",
-          "Intended Audience :: Information Technology",
-          "Programming Language :: Python",
-          "Topic :: Software Development",
-          "Topic :: Utilities",
-          "Programming Language :: Python :: 3.6",
-          "Programming Language :: Python :: 3.7",
-          "Programming Language :: Python :: 3.8",
-      ],
-      platforms="Any",
-      )