diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2a3e1646..c4a9fdc4 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -44,7 +44,7 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
-          key: pip|${{ runner.os }}|${{ matrix.python }}|${{ hashFiles('setup.py') }}|${{ hashFiles('requirements/*.txt') }}
+          key: pip|${{ runner.os }}|${{ matrix.python }}|${{ hashFiles('pyproject.toml') }}|${{ hashFiles('requirements/*.txt') }}
       - run: pip install tox
       - run: tox -e ${{ matrix.tox }},coverage-report
       - name: "Upload coverage to Codecov"
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 86a32c02..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,7 +0,0 @@
-include LICENSE CHANGELOG.md tox.ini requirements.txt requirements-rtd.txt .coveragerc Makefile pytest.ini .tox-coveragerc
-exclude TODO.md codecov.yml .readthedocs.yaml requirements.in
-global-exclude flycheck_*
-
-graft glom/test/data
-graft docs
-prune docs/_build
diff --git a/glom/_version.py b/glom/_version.py
index 9c79468e..831de66f 100644
--- a/glom/_version.py
+++ b/glom/_version.py
@@ -1,2 +1,4 @@
-version_info = (24, 11, 1, 'dev')
-__version__ = '.'.join([str(part) for part in version_info if part or part == 0])
+__version__ = "24.11.1.dev"
+version_info = tuple(
+    int(part) if part.isdigit() else part for part in __version__.split(".")
+)
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..b960796c
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,76 @@
+[project]
+name = "glom"
+dynamic = ["version"]
+description = "A declarative object transformer and formatter, for conglomerating nested data."
+readme = "README.md"
+authors = [
+    { name = "Mahmoud Hashemi and Kurt Rose", email = "mahmoud@hatnote.com" },
+]
+classifiers = [
+    "Topic :: Utilities",
+    "Intended Audience :: Developers",
+    "Topic :: Software Development :: Libraries",
+    "Development Status :: 5 - Production/Stable",
+    "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",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+dependencies = ["boltons>=19.3.0", "attrs", "face>=20.1.1"]
+license = "BSD-3-Clause"
+requires-python = ">=3.7"
+
+[project.optional-dependencies]
+toml = ["tomli; python_version < '3.11'"]
+yaml = ["PyYAML"]
+
+[project.scripts]
+glom = "glom.cli:console_main"
+
+[project.urls]
+Homepage = "https://github.com/mahmoud/glom"
+Documentation = "https://glom.readthedocs.io/en/latest/"
+
+[tool.flit.sdist]
+include = [
+    "docs/",
+    "CHANGELOG.md",
+    "requirements.txt",
+    "tox.ini",
+    ".tox-coveragerc",
+]
+exclude = ["docs/_build"]
+
+[tool.pytest.ini_options]
+doctest_optionflags = [
+    "NORMALIZE_WHITESPACE",
+    "IGNORE_EXCEPTION_DETAIL",
+    "ELLIPSIS",
+]
+
+[build-system]
+requires = ["flit_core >=3.11,<4"]
+build-backend = "flit_core.buildapi"
+
+# A brief checklist for release:
+
+# * tox
+# * git commit (if applicable)
+# * Bump glom/_version.py off of -dev
+# * git commit -a -m "bump version for vx.y.z release"
+# * write CHANGELOG
+# * bump docs/conf.py version
+# * git commit
+# * rm -rf dist/*
+# * python3 -m build
+# * twine upload dist/*
+# * git tag -a vx.y.z -m "brief summary"
+# * bump glom/_version.py onto n+1 dev
+# * git commit
+# * git push
+
+# NB: if dropping support for a python version, bump the pyupgrade argument in tox and run syntax-upgrade tox env.
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index f6cd3a76..00000000
--- a/pytest.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[pytest]
-doctest_optionflags=NORMALIZE_WHITESPACE IGNORE_EXCEPTION_DETAIL ELLIPSIS
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 8542f142..00000000
--- a/setup.py
+++ /dev/null
@@ -1,88 +0,0 @@
-import importlib.util
-import os
-
-from setuptools import setup
-
-__author__ = 'Mahmoud Hashemi and Kurt Rose'
-__contact__ = 'mahmoud@hatnote.com'
-__url__ = 'https://github.com/mahmoud/glom'
-
-
-def import_path(module_name, path):
-    spec = importlib.util.spec_from_file_location(module_name, path)
-    module = importlib.util.module_from_spec(spec)
-    spec.loader.exec_module(module)
-    return module
-
-
-CUR_PATH = os.path.abspath(os.path.dirname(__file__))
-_version_mod_path = os.path.join(CUR_PATH, 'glom', '_version.py')
-_version_mod = import_path('_version', _version_mod_path)
-__version__ = _version_mod.__version__
-
-
-open_kwarg = {}
-
-with open('README.md', encoding='utf8') as read_me:
-    long_description = read_me.read()
-
-setup(name='glom',
-      version=__version__,
-      description="A declarative object transformer and formatter, for conglomerating nested data.",
-      long_description=long_description,
-      long_description_content_type='text/markdown',
-      author=__author__,
-      author_email=__contact__,
-      url=__url__,
-      project_urls={
-          'Documentation': 'https://glom.readthedocs.io/en/latest/',
-      },
-      packages=['glom', 'glom.test'],
-      install_requires=['boltons>=19.3.0', 'attrs', 'face>=20.1.1'],
-      extras_require={
-          'toml': ['tomli; python_version<"3.11"'],
-          'yaml': ['PyYAML'],
-      },
-      entry_points={'console_scripts': ['glom = glom.cli:console_main']},
-      include_package_data=True,
-      zip_safe=False,
-      platforms='any',
-      license_files=['LICENSE'],
-      classifiers=[
-          'Topic :: Utilities',
-          'Intended Audience :: Developers',
-          'Topic :: Software Development :: Libraries',
-          'Development Status :: 5 - Production/Stable',
-          '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',
-          'Programming Language :: Python :: Implementation :: CPython',
-          'Programming Language :: Python :: Implementation :: PyPy',
-          'License :: OSI Approved :: BSD License',
-      ]
-     )
-
-"""
-A brief checklist for release:
-
-* tox
-* git commit (if applicable)
-* Bump glom/_version.py off of -dev
-* git commit -a -m "bump version for vx.y.z release"
-* write CHANGELOG
-* bump docs/conf.py version
-* git commit
-* rm -rf dist/*
-* python setup.py sdist bdist_wheel
-* twine upload dist/*
-* git tag -a vx.y.z -m "brief summary"
-* bump glom/_version.py onto n+1 dev
-* git commit
-* git push
-
-NB: if dropping support for a python version, bump the pyupgrade argument in tox and run syntax-upgrade tox env.
-
-"""