diff --git a/pyproject.toml b/pyproject.toml
index 08e61a33..37e8226f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,70 @@
 [build-system]
-requires = ["setuptools", "Cython>=0.27"]
+# setup also requires libsepol and libselinux
+# C libraries and headers to compile.
+requires = ["setuptools", "Cython>=0.29.14"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "setools"
+version = "4.6.0.dev"
+description="SELinux policy analysis tools."
+authors = [{name = "Chris PeBenito", email="pebenito@ieee.org"}]
+readme = {file = "README.md", content-type = "text/markdown"}
+urls.Homepage = "https://github.com/SELinuxProject/setools"
+urls.Repository = "https://github.com/SELinuxProject/setools.git"
+urls."Bug Tracker" = "https://github.com/SELinuxProject/setools/issues"
+
+keywords = ["SELinux",
+            "SETools",
+            "policy",
+            "analysis",
+            "seinfo",
+            "sesearch",
+            "sediff",
+            "sedta",
+            "seinfoflow",
+            "apol"]
+
+# https://pypi.org/classifiers/
+classifiers = ["Development Status :: 5 - Production/Stable",
+               "Environment :: Console",
+               "Environment :: X11 Applications :: Qt",
+               "Intended Audience :: Information Technology",
+               "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
+               "License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)",
+               "Programming Language :: Cython",
+               "Topic :: Security",
+               "Topic :: Utilities",
+               "Typing :: Typed"]
+
+requires-python=">=3.10"
+# also requires libsepol.so and libselinux.so.
+dependencies = ["setuptools"]
+
+optional-dependencies.analysis = ["networkx>=2.6",
+                                  "pygraphviz"]
+optional-dependencies.gui = ["PyQt6"]
+optional-dependencies.test = ["tox"]
+
+[tool.setuptools]
+include-package-data = false
+script-files = ["apol",
+                "sediff",
+                "seinfo",
+                "seinfoflow",
+                "sesearch",
+                "sedta",
+                "sechecker"]
+
+[tool.setuptools.packages.find]
+include = ["setools*"]
+
+[tool.setuptools.package-data]
+"*" = ["*.css", "*.html", "perm_map", "py.typed"]
+
+[tool.setuptools.exclude-package-data]
+"*" = ["*.c", "*.pyi", "*.pyx"]
+
 
 #
 # Coverage config
diff --git a/setup.py b/setup.py
index a58114ef..3df21c72 100644
--- a/setup.py
+++ b/setup.py
@@ -64,42 +64,11 @@
     if lang and os.path.exists(join("man", lang)):
         installed_data.append((join('share/man', lang, 'man1'), glob.glob(join("man", lang, "*.1"))))
 
-setup(name='setools',
-      version='4.6.0-dev',
-      description='SELinux policy analysis tools.',
-      author='Chris PeBenito',
-      author_email='pebenito@ieee.org',
-      url='https://github.com/SELinuxProject/setools',
-      packages=['setools', 'setools.checker', 'setools.diff', 'setoolsgui', 'setoolsgui.widgets',
-                'setoolsgui.widgets.criteria', 'setoolsgui.widgets.details',
-                'setoolsgui.widgets.models', 'setoolsgui.widgets.views'],
-      scripts=['apol', 'sediff', 'seinfo', 'seinfoflow', 'sesearch', 'sedta', 'sechecker'],
-      data_files=installed_data,
-      package_data={'': ['*.html'],
-                    'setools': ['perm_map', 'policyrep.pyi', 'py.typed']},
+# see pyproject.toml for most package options.
+setup(data_files=installed_data,
       ext_modules=cythonize(ext_py_mods, include_path=['setools/policyrep'],
                             annotate=cython_annotate,
                             compiler_directives={"language_level": 3,
                                                  "c_string_type": "str",
                                                  "c_string_encoding": "ascii",
-                                                 "linetrace": enable_coverage}),
-      test_suite='tests',
-      license='GPLv2+, LGPLv2.1+',
-      classifiers=[
-          'Environment :: Console',
-          'Environment :: X11 Applications :: Qt',
-          'Intended Audience :: Information Technology',
-          'Topic :: Security',
-          'Topic :: Utilities',
-      ],
-      keywords='SELinux SETools policy analysis tools seinfo sesearch sediff sedta seinfoflow apol',
-      python_requires='>=3.10',
-      # setup also requires libsepol and libselinux
-      # C libraries and headers to compile.
-      setup_requires=['setuptools', 'Cython>=0.29.14'],
-      install_requires=['setuptools'],
-      extras_require={
-          "analysis": ["networkx>=2.6", "pygraphviz"],
-          "test": "tox"
-      }
-      )
+                                                 "linetrace": enable_coverage}))