diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6e548a2..5996e87 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,11 +21,10 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Upgrade Pip
         run: python -m pip install -U pip
-      - name: Install package and dependencies
-        run: python -m pip install -e .
+      - name: Install package and development dependencies
+        run: python -m pip install -e .[dev]
       - name: Test with pytest
         run: |
-          python -m pip install pytest pytest-cov
           pytest
 
   deploy:
@@ -46,7 +45,7 @@ jobs:
       - name: Check release
         id: check_release
         run: |
-          python -m pip install poetry githubrelease httpx==0.18.2 autopub twine wheel
+          python -m pip install autopub[github]
           echo "release=$(autopub check)" >> $GITHUB_OUTPUT
 
       - name: Publish
diff --git a/pyproject.toml b/pyproject.toml
index 4243984..330a999 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,18 +1,68 @@
-[tool.poetry]
+[project]
 name = "feedgenerator"
 version = "2.1.0"
+authors = [
+    {name="Pelican Dev Team", email="authors@getpelican.com"},
+]
 description = "Standalone version of django.utils.feedgenerator"
-authors = ["Pelican Dev Team <authors@getpelican.com>"]
-readme = "README.rst"
-license = "BSD-3-Clause"
 keywords = ["feed", "atom", "rss"]
+readme = "README.rst"
+license = { file="LICENSE" }
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Framework :: Pelican",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "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",
+    "Topic :: Internet :: WWW/HTTP",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
+requires-python = ">=3.7"
+dependencies = [
+    "pytz>=0a",
+]
+
+[project.urls]
+Homepage = "https://github.com/getpelican/feedgenerator"
+"Issue Tracker" = "https://github.com/getpelican/feedgenerator/issues"
+Funding = "https://donate.getpelican.com/"
+
+[project.optional-dependencies]
+dev = [
+    "pytest",
+    "pytest-cov",
+]
 
 [tool.autopub]
-project-name = "feedgenerator"
+project-name = "FeedGenerator"
 git-username = "botpub"
 git-email = "52496925+botpub@users.noreply.github.com"
-version-strings = ["setup.py"]
 build-system = "setuptools"
 
+[tool.pytest.ini_options]
+addopts = """
+    --cov=feedgenerator
+    --cov=tests
+    --cov-report=html
+    --cov-report=term-missing:skip-covered
+"""
+
+[tool.setuptools]
+packages = [
+    "feedgenerator",
+    "feedgenerator.django",
+    "feedgenerator.django.utils",
+]
+
 [build-system]
-requires = ["setuptools >= 40.6.0"]
+requires = ["setuptools>=64.0"]
+build-backend = "setuptools.build_meta"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 6836e34..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,9 +0,0 @@
-[sdist]
-force_manifest = 1
-
-[tool:pytest]
-addopts =
-    --cov=feedgenerator
-    --cov=tests
-    --cov-report=html
-    --cov-report=term-missing:skip-covered
diff --git a/setup.py b/setup.py
deleted file mode 100644
index c582f50..0000000
--- a/setup.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-
-
-# Using setuptools rather than distutils to get the `develop` command
-from setuptools import setup
-
-
-NAME = 'feedgenerator'
-PACKAGES = ['feedgenerator', 'feedgenerator.django',
-            'feedgenerator.django.utils']
-DESCRIPTION = 'Standalone version of django.utils.feedgenerator'
-LONG_DESCRIPTION = open('README.rst', encoding='UTF-8').read()
-
-URL = "https://github.com/getpelican/feedgenerator"
-
-CLASSIFIERS = ['Development Status :: 5 - Production/Stable',
-               'Environment :: Web Environment',
-               'Framework :: Pelican',
-               'Intended Audience :: Developers',
-               'License :: OSI Approved :: BSD License',
-               'Operating System :: OS Independent',
-               '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',
-               'Topic :: Internet :: WWW/HTTP',
-               'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
-               'Topic :: Software Development :: Libraries :: Python Modules',
-               ]
-
-AUTHOR = 'Django Software Foundation'
-AUTHOR_EMAIL = 'foundation@djangoproject.com'
-MAINTAINER = 'Pelican Dev Team'
-MAINTAINER_EMAIL = 'authors@getpelican.com'
-KEYWORDS = "feed atom rss".split(' ')
-VERSION = '2.1.0'
-
-TEST_SUITE = 'tests'
-
-REQUIRES = ['pytz >= 0a']
-
-setup(
-    name=NAME,
-    version=VERSION,
-    packages=PACKAGES,
-    test_suite=TEST_SUITE,
-    install_requires=REQUIRES,
-    python_requires='>=3.7',
-    # metadata for upload to PyPI
-    author=AUTHOR,
-    author_email=AUTHOR_EMAIL,
-    maintainer=MAINTAINER,
-    maintainer_email=MAINTAINER_EMAIL,
-    description=DESCRIPTION,
-    long_description=LONG_DESCRIPTION,
-    keywords=KEYWORDS,
-    url=URL,
-    classifiers=CLASSIFIERS,
-    zip_safe=False,
-)