diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..15caa0e
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+]
+build-backend = "setuptools.build_meta"
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..2fe9395
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,42 @@
+[metadata]
+name = ghdiff
+version = 0.4
+description = Generate Github-style HTML for unified diffs.
+long_description_content_type=text/x-rst
+long_description = file: README.rst
+author = Patrick Strawderman
+author_email = patrick@kilink.net
+url = https://github.com/kilink/ghdiff
+license = MIT
+classifiers =
+    Development Status :: 5 - Production/Stable
+    Environment :: Console
+    Intended Audience :: Developers
+    Natural Language :: English
+    License :: OSI Approved :: MIT License
+    Programming Language :: Python
+    Programming Language :: Python :: 2
+    Programming Language :: Python :: 2.6
+    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
+    Framework :: IPython
+    Topic :: Software Development
+    Topic :: Utilities
+
+[options]
+include_package_data = True
+package_dir = =src
+py_modules =
+    ghdiff
+    ipython_magic
+tests_require = zope.testrunner
+install_requires =
+    six
+    chardet
+
+[options.entry_points]
+console_scripts =
+    ghdiff = ghdiff:main
+
diff --git a/setup.py b/setup.py
index 8feee35..8bf1ba9 100644
--- a/setup.py
+++ b/setup.py
@@ -1,40 +1,2 @@
 from setuptools import setup
-
-setup(
-    name="ghdiff",
-    version="0.4",
-    description="Generate Github-style HTML for unified diffs.",
-    long_description=open("README.rst").read(),
-    author="Patrick Strawderman",
-    author_email="patrick@kilink.net",
-    url="https://github.com/kilink/ghdiff",
-    license="MIT",
-    package_data={"": ["*.py", "*.txt", "*.css"]},
-    include_package_data=True,
-    package_dir={"": "src"},
-    py_modules=["ghdiff", "ipython_magic"],
-    tests_require=["zope.testrunner"],
-    install_requires=["six", "chardet"],
-    test_suite="tests.test_suite",
-    entry_points={
-        'console_scripts': [
-            "ghdiff = ghdiff:main"
-        ]
-    },
-    classifiers=['Development Status :: 5 - Production/Stable',
-                   'Environment :: Console',
-                   'Intended Audience :: Developers',
-                   'Natural Language :: English',
-                   'License :: OSI Approved :: MIT License',
-                   'Programming Language :: Python',
-                   'Programming Language :: Python :: 2',
-                   'Programming Language :: Python :: 2.6',
-                   'Programming Language :: Python :: 2.7',
-                   'Programming Language :: Python :: 3',
-                   'Programming Language :: Python :: 3.3',
-                   'Programming Language :: Python :: 3.4',
-                   'Framework :: IPython',
-                   'Topic :: Software Development',
-                   'Topic :: Utilities',
-                   ],
-)
+setup()