diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 90af019d..13892dcd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,18 +4,21 @@ on: [push, pull_request]
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python:
           - { VERSION: "3.7", TOXENV: "py37", ALLOW_FAILURE: false }
-          - { VERSION: "3.8", TOXENV: "py38",ALLOW_FAILURE: false }
-          - { VERSION: "3.9", TOXENV: "py39",ALLOW_FAILURE: false }
-          - { VERSION: "3.10", TOXENV: "py310",ALLOW_FAILURE: false }
-          - { VERSION: "3.11", TOXENV: "py311",ALLOW_FAILURE: false }
-          - { VERSION: "3.10", TOXENV: "flake8,doclint,docs,commitlint", ALLOW_FAILURE: false }
-          - { VERSION: "3.10", TOXENV: "docstrings", ALLOW_FAILURE: true}
+          - { VERSION: "3.8", TOXENV: "py38", ALLOW_FAILURE: false }
+          - { VERSION: "3.9", TOXENV: "py39", ALLOW_FAILURE: false }
+          - { VERSION: "3.10", TOXENV: "py310", ALLOW_FAILURE: false }
+          - { VERSION: "3.11", TOXENV: "py311", ALLOW_FAILURE: false }
+          - {
+              VERSION: "3.11",
+              TOXENV: "flake8,doclint,docs,commitlint",
+              ALLOW_FAILURE: false,
+            }
+          - { VERSION: "3.11", TOXENV: "docstrings", ALLOW_FAILURE: true }
           - { VERSION: "pypy3.9", TOXENV: "pypy", ALLOW_FAILURE: false }
 
     steps:
@@ -29,12 +32,12 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install pip
           pip --version
 
       - name: Install Tox
         run: |
-          pip install --constraint=.github/workflows/constraints.txt tox
+          pip install tox
           tox --version
 
       - name: Run Tox
diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
deleted file mode 100644
index ed863a8c..00000000
--- a/.github/workflows/constraints.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-pip==20.3.3
-tox==3.20.1
diff --git a/AUTHORS.rst b/AUTHORS.rst
index 53c92596..841a0b85 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -220,3 +220,5 @@ Contributors
 - Peter Küffner (@kuepe-sl)
 
 - Andrew MacCormack (@amaccormack-lumira)
+
+- Chris R (@offbyone)
diff --git a/Makefile b/Makefile
index e176fd67..4801b410 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ ga:
 tests: ga
 
 test-deps:
-	pip install -r dev-requirements.txt
+	pip install -e .[dev]
 
 htmlcov: .coverage
 	coverage html --omit=github3/packages/*
diff --git a/README.rst b/README.rst
index 72b3e0e6..1799ee4a 100644
--- a/README.rst
+++ b/README.rst
@@ -37,9 +37,9 @@ Please read the `CONTRIBUTING`_ document.
 Testing
 ~~~~~~~
 
-You can run either ``pip install -r dev-requirements.txt`` to install the
-following before testing or simply ``make test-deps``. It is suggested you do
-this in a virtual environment. These need to be installed for the tests to run.
+You can run ``pip install -e .[dev]`` to install the following before testing or
+simply ``make test-deps``. It is suggested you do this in a virtual environment.
+These need to be installed for the tests to run.
 
 - betamax_
 - coverage_ by Ned Batchelder
diff --git a/dev-requirements.txt b/dev-requirements.txt
deleted file mode 100644
index c614fcd7..00000000
--- a/dev-requirements.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-.
-pytest>=7.0
-pytest-xdist[psutil]
-wheel
-betamax>=0.5.1
-betamax_matchers>=0.3.0
-tox>=3.1.3
diff --git a/pyproject.toml b/pyproject.toml
index ff87a2a0..57259d73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,69 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "github3.py"
+description = "Python wrapper for the GitHub API(http://developer.github.com/v3)"
+readme = "README.rst"
+requires-python = ">= 3.7"
+url = "https://github3.readthedocs.io"
+authors = [
+  { name = "Ian Stapleton Cordasco", email="graffatcolmingov@gmail.com" },
+]
+license = "BSD-3-Clause"
+license_file = "LICENSE"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: Implementation :: CPython",
+]
+
+dynamic = ["version"]
+
+dependencies = [
+    "PyJWT[crypto]>=2.3.0",
+    "python-dateutil>=2.6.0",
+    "requests>=2.18",
+    "uritemplate>=3.0.0",
+]
+
+[project.optional-dependencies]
+test = [
+    "pytest>=7.0",
+    "pytest-xdist[psutil]",
+    "betamax>=0.5.1",
+    "betamax_matchers>=0.3.0",
+]
+
+dev = [
+    "github3.py[test]",
+    "wheel",
+    "build",
+    "twine",
+    "tox>=3.1.3",
+]
+
+[tool.hatch.version]
+path = "src/github3/__about__.py"
+
+[tool.hatch.build.targets.wheel]
+packages = [
+  "src/github3",
+]
+
+
+[project.urls]
+Documentation = "https://github3.readthedocs.io"
+Changelog = "https://github3.readthedocs.io/en/latest/release-notes/index.html"
+Source = "https://github.com/sigmavirus24/github3.py"
+"Released Versions" = "https://github.com/sigmavirus24/github3.py/tags"
+
 [tool.black]
 line-length = 78
 target-version = ['py37']
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 1f422ee8..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,47 +0,0 @@
-[metadata]
-name = github3.py
-version = attr:github3.__about__.__version__
-description = Python wrapper for the GitHub API(http://developer.github.com/v3)
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-url = https://github3.readthedocs.io
-author = Ian Stapleton Cordasco
-author_email = graffatcolmingov@gmail.com
-license = BSD-3-Clause
-license_file = LICENSE
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved
-    License :: OSI Approved :: BSD License
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: Implementation :: CPython
-project_urls =
-    Documentation = https://github3.readthedocs.io
-    Changelog = https://github3.readthedocs.io/en/latest/release-notes/index.html
-    Source = https://github.com/sigmavirus24/github3.py
-    Released Versions = https://github.com/sigmavirus24/github3.py/tags
-requires_dist =
-    requests>=2.0
-    uritemplate>=3.0.0
-    python-dateutil>=2.6.0
-    PyJWT>=2.3.0
-
-[options]
-packages = find:
-install_requires =
-    PyJWT[crypto]>=2.3.0
-    python-dateutil>=2.6.0
-    requests>=2.18
-    uritemplate>=3.0.0
-python_requires = >=3.7
-package_dir =
-    =src
-
-[options.packages.find]
-where = src
-
-[wheel]
-universal = 1
diff --git a/setup.py b/setup.py
deleted file mode 100755
index 6d1ca271..00000000
--- a/setup.py
+++ /dev/null
@@ -1,4 +0,0 @@
-"""Packaging logic."""
-import setuptools
-
-setuptools.setup()
diff --git a/tox.ini b/tox.ini
index d0fca657..f937253f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,11 +7,8 @@ passenv = GH_*
 pip_pre = False
 deps =
     requests{env:REQUESTS_VERSION:>=2.0}
-    pytest
-    pytest-xdist[psutil]
-    betamax>=0.5.1
-    betamax_matchers>=0.3.0
     pypy3: unittest2
+extras = test
 commands = pytest {posargs}
 
 [testenv:flake8]
@@ -97,10 +94,12 @@ deps =
     -rdocs/source/requirements.txt
     sphinx_rtd_theme
     twine >= 3.4.2
+    build
     .
 commands =
     sphinx-build -E -W -c docs/source/ -b html docs/source/ docs/build/html
-    twine check --strict {distdir}/*
+    python -m build
+    twine check --strict dist/*
 
 [pytest]
 addopts = -q -nauto
@@ -112,3 +111,4 @@ ignore-path-errors = docs/source/release-notes/1.0.0.rst;D001
 [flake8]
 extend-ignore = E203,W503
 max-line-length = 80
+exclude = src/github3/_version.py