diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..22606428
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,32 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = [
+  "setuptools>=61.2",
+]
+
+[project]
+name = "lunatic-python"
+version = "1.0"
+description = "Two-way bridge between Python and Lua"
+readme = "README.md"
+license.text = "LGPL"
+authors = [
+  { name = "Gustavo Niemeyer", email = "gustavo@niemeyer.net" },
+]
+requires-python = ">=3.10"
+classifiers = [
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+]
+urls.Homepage = "http://labix.org/lunatic-python"
+
+[tool.setuptools]
+include-package-data = false
+
+[tool.distutils]
+bdist_rpm.doc-files = "python.lua LICENSE"
+bdist_rpm.use-bzip2 = 2
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index bd5b5ed8..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[bdist_rpm]
-doc_files = python.lua LICENSE
-use_bzip2 = 1
diff --git a/setup.py b/setup.py
index 93d6cf0f..8ab08e0e 100755
--- a/setup.py
+++ b/setup.py
@@ -12,9 +12,12 @@
     import subprocess as commands
 else:
     import commands
-from distutils.core import setup, Extension
+from setuptools import setup, Extension
 from distutils.sysconfig import get_config_var, get_python_lib, get_python_version
 
+if not os.environ.get("PKG_CONFIG_PATH"):  # set this if needed on macOS
+    os.environ["PKG_CONFIG_PATH"] = get_config_var("LIBPC")
+
 if os.path.isfile("MANIFEST"):
     os.unlink("MANIFEST")
 
@@ -71,20 +74,7 @@ def pkgconfig(*packages):
 lua_pkgconfig = pkgconfig('lua' + LUAVERSION, 'python-' + PYTHONVERSION)
 lua_pkgconfig['extra_compile_args'] = ['-I/usr/include/lua'+LUAVERSION, '-DPYTHON_LIBRT="' + str(PYTHON_LIBRT) + '"']
 
-setup(name="lunatic-python",
-      version="1.0",
-      description="Two-way bridge between Python and Lua",
-      author="Gustavo Niemeyer",
-      author_email="gustavo@niemeyer.net",
-      url="http://labix.org/lunatic-python",
-      license="LGPL",
-      long_description="""\
-Lunatic Python is a two-way bridge between Python and Lua, allowing these
-languages to intercommunicate. Being two-way means that it allows Lua inside
-Python, Python inside Lua, Lua inside Python inside Lua, Python inside Lua
-inside Python, and so on.
-""",
-      ext_modules=[
+setup(ext_modules=[
         Extension("lua-python",
                   ["src/pythoninlua.c", "src/luainpython.c"],
                   **lua_pkgconfig),