diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1402e54
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[build-system]
+requires = [
+    "setuptools >= 42.0.0",  # Supports license_files
+]
+build-backend = "setuptools.build_meta"
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..3c0d3e4
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,29 @@
+[metadata]
+name = requests_ntlm
+version = 1.2.0
+url = https://github.com/requests/requests-ntlm
+author = Ben Toews
+author_email = mastahyeti@gmail.com
+license = ISC
+license_files = LICENSE
+description = This package allows for HTTP NTLM authentication using the requests library.
+long_description = file: README.rst
+long_description_content_type = text/x-rst
+classifiers =
+    Development Status :: 4 - Beta
+    Intended Audience :: Developers
+    Programming Language :: Python
+    Programming Language :: Python :: 3
+    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
+    License :: OSI Approved :: ISC License (ISCL)
+
+[options]
+python_requires = >= 3.7
+install_requires =
+    cryptography >= 1.3
+    pyspnego >= 0.1.6
+    requests >= 2.0.0
diff --git a/setup.py b/setup.py
index 46c0e5d..a868cf7 100644
--- a/setup.py
+++ b/setup.py
@@ -1,30 +1,6 @@
 #!/usr/bin/env python
-# coding: utf-8
 
 from setuptools import setup
 
-setup(
-    name="requests_ntlm",
-    version="1.2.0",
-    packages=["requests_ntlm"],
-    install_requires=["requests>=2.0.0", "pyspnego>=0.1.6", "cryptography>=1.3"],
-    python_requires=">=3.7",
-    provides=["requests_ntlm"],
-    author="Ben Toews",
-    author_email="mastahyeti@gmail.com",
-    url="https://github.com/requests/requests-ntlm",
-    description="This package allows for HTTP NTLM authentication using the requests library.",
-    license="ISC",
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Intended Audience :: Developers",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "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",
-        "License :: OSI Approved :: ISC License (ISCL)",
-    ],
-)
+# Kept for editable install compatibility with older setuptools/pip versions
+setup()