diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4be7726c..ff08de118 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,8 @@ Changes:
 *   Add `clean` parameter to wipe existing population to `json_read` ([#202](https://github.com/xcsf-dev/xcsf/pull/202))
 *   Add Ruff linting and formatting for Python ([#196](https://github.com/xcsf-dev/xcsf/pull/196))
 *   Fix Python `json_read` crashing when the new population is empty ([#205](https://github.com/xcsf-dev/xcsf/pull/205))
-*   Reduce `max_trials` in Python tests for speed
+*   Reduce `max_trials` in Python tests for speed ([#206](https://github.com/xcsf-dev/xcsf/pull/206))
+*   Update Python packaging: move `setup.cfg` metadata to `pyproject.toml` ([#207](https://github.com/xcsf-dev/xcsf/pull/207))
 
 ## Version 1.4.7 (Aug 19, 2024)
 
diff --git a/pyproject.toml b/pyproject.toml
index 1520940ea..1b7151be0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,65 @@
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools>=42"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "xcsf"
+version = "1.4.7"
+description = "XCSF learning classifier system: rule-based evolutionary machine learning"
+readme = "README.md"
+requires-python = ">=3.9"
+license = {text = "GPL-3.0"}
+maintainers = [
+    {name = "Richard Preen", email = "rpreen@gmail.com"}
+]
+keywords = [
+    "divide and conquer",
+    "evolutionary algorithm",
+    "genetic programming",
+    "learning classifier system",
+    "least squares",
+    "machine learning",
+    "neural networks",
+    "neuroevolution",
+    "reinforcement learning",
+    "rule-based",
+    "supervised learning",
+    "stochastic gradient descent",
+    "XCS",
+    "XCSF ",
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+    "Programming Language :: C",
+    "Programming Language :: C++",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: Artificial Intelligence",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: MacOS :: MacOS X",
+    "Operating System :: Microsoft :: Windows :: Windows 10",
+    "Operating System :: Microsoft :: Windows :: Windows 11 ]",
+]
+
+[project.urls]
+"Homepage" = "https://github.com/xcsf-dev/xcsf"
+"Changelog" = "https://github.com/xcsf-dev/xcsf/CHANGELOG.md"
+"Documentation" = "https://github.com/xcsf-dev/xcsf/wiki"
+"Bug Tracker" = "https://github.com/xcsf-dev/xcsf/issues"
+"Discussions" = "https://github.com/xcsf-dev/xcsf/discussions"
+
+[tool.setuptools]
+zip-safe = false
+include-package-data = true
+packages = {find = {exclude = ["build*", "cfg*", "doc*", "python*", "test*"]}}
+
 [tool.ruff]
 indent-width = 4
 line-length = 88
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 850c6b43e..000000000
--- a/setup.cfg
+++ /dev/null
@@ -1,53 +0,0 @@
-[metadata]
-name = xcsf
-version = 1.4.7
-description = XCSF learning classifier system: rule-based evolutionary machine learning
-long_description = file: README.md
-long_description_content_type = text/markdown
-url = https://github.com/xcsf-dev/xcsf
-maintainer = Richard Preen
-maintainer_email = rpreen@gmail.com
-license = GPL-3.0
-license_files = LICENSE.md
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    Intended Audience :: Science/Research
-    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
-    Programming Language :: C
-    Programming Language :: C++
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-    Topic :: Scientific/Engineering
-    Topic :: Scientific/Engineering :: Artificial Intelligence
-    Operating System :: POSIX :: Linux
-    Operating System :: MacOS :: MacOS X
-    Operating System :: Microsoft :: Windows :: Windows 10
-    Operating System :: Microsoft :: Windows :: Windows 11
-keywords =
-    divide and conquer
-    evolutionary algorithm
-    genetic programming
-    learning classifier system
-    least squares
-    machine learning
-    neural networks
-    neuroevolution
-    reinforcement learning
-    rule-based
-    supervised learning
-    stochastic gradient descent
-    XCS
-    XCSF
-project_urls =
-    Changelog = https://github.com/xcsf-dev/xcsf/CHANGELOG.md
-    Documentation = https://github.com/xcsf-dev/xcsf/wiki
-    Bug Tracker = https://github.com/xcsf-dev/xcsf/issues
-    Discussions = https://github.com/xcsf-dev/xcsf/discussions
-
-[options]
-python_requires = >=3.9
-zip_safe = False
diff --git a/setup.py b/setup.py
index 594bdf108..70e93672c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 #
-# Copyright (C) 2021--2024 Richard Preen <rpreen@gmail.com>
+# Copyright (C) 2021--2025 Richard Preen <rpreen@gmail.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -23,7 +23,7 @@
 import subprocess
 import sys
 
-from setuptools import Extension, find_packages, setup
+from setuptools import Extension, setup
 from setuptools.command.build_ext import build_ext
 
 
@@ -78,7 +78,6 @@ def build_extension(self, ext):
 
 
 setup(
-    packages=find_packages(),
     ext_modules=[CMakeExtension("xcsf/xcsf")],
     cmdclass={"build_ext": CMakeBuild},
 )