diff --git a/changelog.txt b/changelog.txt
index e017bd1..060d087 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+Version: 2024.11.7
+
+    Updated pyproject.toml and setup.py according to PEP 517.
+
 Version: 2024.11.6
 
     Git issue 546: Partial match not working in some instances with non-greedy capture
diff --git a/pyproject.toml b/pyproject.toml
index fed528d..f5aa49e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,44 @@
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools > 61.0"]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "regex"
+version = "2024.11.6"
+description = "Alternative regular expression module, to replace re."
+readme = "README.rst"
+authors = [
+    {name = "Matthew Barnett", email = "regex@mrabarnett.plus.com"},
+]
+license = {text = "Apache Software License"}
+
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "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",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Scientific/Engineering :: Information Analysis",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Topic :: Text Processing",
+    "Topic :: Text Processing :: General",
+]
+
+requires-python = ">= 3.8"
+
+[project.urls]
+Homepage = "https://github.com/mrabarnett/mrab-regex"
+
+[tool.setuptools]
+package-dir = {regex = "regex_3"}
+py-modules = [
+    "regex.__init__",
+    "regex.regex",
+    "regex._regex_core",
+    "regex.test_regex",
+]
diff --git a/regex_3/regex.py b/regex_3/regex.py
index 0fdb4da..e77795e 100644
--- a/regex_3/regex.py
+++ b/regex_3/regex.py
@@ -241,7 +241,7 @@
   "VERSION1", "X", "VERBOSE", "W", "WORD", "error", "Regex", "__version__",
   "__doc__", "RegexFlag"]
 
-__version__ = "2.5.148"
+__version__ = "2.5.149"
 
 # --------------------------------------------------------------------
 # Public interface.
diff --git a/setup.py b/setup.py
index ba64e5f..a6b1497 100644
--- a/setup.py
+++ b/setup.py
@@ -3,41 +3,7 @@
 from setuptools import setup, Extension
 from os.path import join
 
-with open('README.rst', encoding='utf-8') as file:
-    long_description = file.read()
-
 setup(
-    name='regex',
-    version='2024.11.6',
-    description='Alternative regular expression module, to replace re.',
-    long_description=long_description,
-    long_description_content_type='text/x-rst',
-    author='Matthew Barnett',
-    author_email='regex@mrabarnett.plus.com',
-    url='https://github.com/mrabarnett/mrab-regex',
-    license='Apache Software License',
-
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: Apache Software License',
-        'Operating System :: OS Independent',
-        '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',
-        'Programming Language :: Python :: 3.13',
-        'Topic :: Scientific/Engineering :: Information Analysis',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-        'Topic :: Text Processing',
-        'Topic :: Text Processing :: General',
-    ],
-    python_requires='>=3.8',
-
-    package_dir={'regex': 'regex_3'},
-    py_modules=['regex.__init__', 'regex.regex', 'regex._regex_core',
-     'regex.test_regex'],
     ext_modules=[Extension('regex._regex', [join('regex_3', '_regex.c'),
       join('regex_3', '_regex_unicode.c')])],
 )