diff --git a/.gitignore b/.gitignore
index 8f78dc38..6333fe1e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ __pycache__/
 # Distribution / packaging
 .Python
 env/
+.venv/
 build/
 develop-eggs/
 dist/
diff --git a/pyproject.toml b/pyproject.toml
index 320777c9..f5821fd7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,35 +1,130 @@
 [build-system]
-requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
+requires = [
+    "setuptools",
+]
 
-[tool.coverage.run]
-parallel = true
-branch = true
-source = ["jwt"]
+[project]
+authors = [
+    { email = "hello@jpadilla.com", name = "Jose Padilla" },
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "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 :: Utilities",
+]
+description = "JSON Web Token implementation in Python"
+dynamic = [
+    "version",
+]
+keywords = [
+    "json",
+    "jwt",
+    "security",
+    "signing",
+    "token",
+    "web",
+]
+name = "PyJWT"
+requires-python = ">=3.8"
+
+[project.license]
+text = "MIT"
+
+[project.optional-dependencies]
+crypto = [
+    "cryptography>=3.4.0",
+]
+dev = [
+    "coverage[toml]==5.0.4",
+    "cryptography>=3.4.0",
+    "pre-commit",
+    "pytest>=6.0.0,<7.0.0",
+    "sphinx",
+    "sphinx-rtd-theme",
+    "zope.interface",
+]
+docs = [
+    "sphinx",
+    "sphinx-rtd-theme",
+    "zope.interface",
+]
+tests = [
+    "coverage[toml]==5.0.4",
+    "pytest>=6.0.0,<7.0.0",
+]
+
+[project.readme]
+content-type = "text/x-rst"
+file = "README.rst"
+
+[project.urls]
+Homepage = "https://github.com/jpadilla/pyjwt"
 
 [tool.coverage.paths]
-source = ["jwt", ".tox/*/site-packages"]
+source = [
+    ".tox/*/site-packages",
+    "jwt",
+]
 
 [tool.coverage.report]
+exclude_lines = [
+    "if TYPE_CHECKING:",
+    "pragma: no cover",
+]
 show_missing = true
-exclude_lines = ["if TYPE_CHECKING:", "pragma: no cover"]
+
+[tool.coverage.run]
+branch = true
+parallel = true
+source = [
+    "jwt",
+]
 
 [tool.isort]
-profile = "black"
 atomic = true
 combine_as_imports = true
+profile = "black"
 
 [tool.mypy]
-python_version = 3.11
+allow_incomplete_defs = true
+allow_untyped_defs = true
 ignore_missing_imports = true
-warn_unused_ignores = true
 no_implicit_optional = true
+overrides = [
+    { disallow_untyped_calls = false, module = "tests.*" },
+]
+python_version = 3.11
 strict = true
-# TODO: remove these strict loosenings when possible
-allow_incomplete_defs = true
-allow_untyped_defs = true
 warn_return_any = false
+warn_unused_ignores = true
+
+[tool.setuptools]
+include-package-data = true
+zip-safe = false
+
+[tool.setuptools.dynamic.version]
+attr = "jwt.__version__"
+
+[tool.setuptools.package-data]
+"*" = [
+    "py.typed",
+]
 
-[[tool.mypy.overrides]]
-module = "tests.*"
-disallow_untyped_calls = false
+[tool.setuptools.packages.find]
+exclude = [
+    "tests",
+    "tests.*",
+]
+namespaces = false
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index c9a60c23..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,68 +0,0 @@
-[metadata]
-name = PyJWT
-version = attr: jwt.__version__
-author = Jose Padilla
-author_email = hello@jpadilla.com
-description = JSON Web Token implementation in Python
-license = MIT
-keywords =
-    json
-    jwt
-    security
-    signing
-    token
-    web
-url = https://github.com/jpadilla/pyjwt
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    Natural Language :: English
-    License :: OSI Approved :: MIT License
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    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 :: Utilities
-
-[options]
-zip_safe = false
-include_package_data = true
-python_requires = >=3.8
-packages = find:
-
-[options.package_data]
-* = py.typed
-
-[options.extras_require]
-docs =
-    sphinx
-    sphinx-rtd-theme
-    zope.interface
-crypto =
-    cryptography>=3.4.0
-tests =
-    pytest>=6.0.0,<7.0.0
-    coverage[toml]==5.0.4
-dev =
-    sphinx
-    sphinx-rtd-theme
-    zope.interface
-    cryptography>=3.4.0
-    pytest>=6.0.0,<7.0.0
-    coverage[toml]==5.0.4
-    pre-commit
-
-[options.packages.find]
-exclude =
-    tests
-    tests.*
-
-[flake8]
-extend-ignore = E203, E501
diff --git a/setup.py b/setup.py
deleted file mode 100755
index 229b2ebb..00000000
--- a/setup.py
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env python3
-
-from setuptools import setup
-
-setup()
diff --git a/tox.ini b/tox.ini
index 81d8e965..44717ffc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,3 +1,7 @@
+[flake8]
+min_python_version = 3.8
+ignore= E501, E203, W503, E704
+
 [pytest]
 addopts = -ra
 testpaths = tests