diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4c46a03..f3e9ba8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,10 +29,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - python-version: '3.6'
-          image: python:3.6-slim
-        - python-version: '3.7'
-          image: python:3.7-slim
         - python-version: '3.8'
           image: python:3.8-slim
         - python-version: '3.9'
@@ -72,14 +68,13 @@ jobs:
 
     - name: Set up Python
       uses: actions/setup-python@v5
-
-    - name: Installing baseline packages
-      run: |
-        echo "Installing baseline pip packages"
-        python -m pip install --upgrade pip setuptools wheel
+      with:
+        python-version: '3.12'
 
     - name: Build package
-      run: python setup.py sdist bdist_wheel
+      run: |
+        python -m pip install build
+        python -m build
 
     - name: Capture Wheel and SDist
       uses: actions/upload-artifact@v4
diff --git a/HISTORY.rst b/HISTORY.rst
index c6e861e..57b05dc 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,6 +1,12 @@
 History
 =======
 
+0.16.0: TBD
+-----------
+
+- Raised minimum Python version to 3.8
+- Changed project build metadata to use PEP 518 pyproject.toml
+
 0.15.0: 2024-06-04
 ------------------
 
diff --git a/ci/setup-kerb.sh b/ci/setup-kerb.sh
index 0b277ab..28287fa 100755
--- a/ci/setup-kerb.sh
+++ b/ci/setup-kerb.sh
@@ -150,7 +150,6 @@ else
 fi
 
 echo "Updating pip and installing library"
-pip$PY_MAJOR install -U pip setuptools
 pip$PY_MAJOR install .
 pip$PY_MAJOR install -r requirements-test.txt
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..d88d94d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,39 @@
+[build-system]
+requires = [
+    "setuptools >= 61.0.0", # Support for setuptools config in pyproject.toml
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "requests-kerberos"
+description = "A Kerberos authentication handler for python-requests"
+requires-python = ">=3.8"
+license = { file = "LICENSE" }
+authors = [
+    { name = "Ian Cordasco", email = "graffatcolmingov@gmail.com" },
+    { name = "Cory Benfield" },
+    { name = "Michael Komitee'" }
+]
+classifiers = [
+    "License :: OSI Approved :: ISC License (ISCL)"
+]
+dependencies = [
+    "requests >= 1.1.0",
+    "cryptography >= 1.3",
+    "pyspnego[kerberos]"
+]
+dynamic = ["version", "readme"]
+
+[project.urls]
+homepage = "https://github.com/requests/requests-kerberos"
+
+[tool.setuptools]
+include-package-data = true
+packages = ["requests_kerberos"]
+
+[tool.setuptools.package-data]
+"*" = ["LICENSE", "AUTHORS"]
+
+[tool.setuptools.dynamic]
+version = { attr = "requests_kerberos.__version__" }
+readme = { file = ["README.rst", "HISTORY.rst"], content-type = "text/x-rst" }
\ No newline at end of file
diff --git a/requests_kerberos/__init__.py b/requests_kerberos/__init__.py
index 60407b8..7b586ef 100644
--- a/requests_kerberos/__init__.py
+++ b/requests_kerberos/__init__.py
@@ -21,4 +21,4 @@
 
 __all__ = ('HTTPKerberosAuth', 'MutualAuthenticationError', 'REQUIRED',
            'OPTIONAL', 'DISABLED')
-__version__ = '0.15.0'
+__version__ = '0.16.0'
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 5e40900..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[wheel]
-universal = 1
diff --git a/setup.py b/setup.py
deleted file mode 100755
index a3b2995..0000000
--- a/setup.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/env python
-# coding: utf-8
-import os
-import re
-from setuptools import setup
-
-path = os.path.dirname(__file__)
-desc_fd = os.path.join(path, 'README.rst')
-hist_fd = os.path.join(path, 'HISTORY.rst')
-
-long_desc = ''
-short_desc = 'A Kerberos authentication handler for python-requests'
-
-if os.path.isfile(desc_fd):
-    with open(desc_fd) as fd:
-        long_desc = fd.read()
-
-if os.path.isfile(hist_fd):
-    with open(hist_fd) as fd:
-        long_desc = '\n\n'.join([long_desc, fd.read()])
-
-
-def get_version():
-    """
-    Simple function to extract the current version using regular expressions.
-    """
-    reg = re.compile(r'__version__ = [\'"]([^\'"]*)[\'"]')
-    with open('requests_kerberos/__init__.py') as fd:
-        matches = list(filter(lambda x: x, map(reg.match, fd)))
-
-    if not matches:
-        raise RuntimeError(
-            'Could not find the version information for requests_kerberos'
-            )
-
-    return matches[0].group(1)
-
-
-setup(
-    name='requests-kerberos',
-    description=short_desc,
-    long_description=long_desc,
-    author='Ian Cordasco, Cory Benfield, Michael Komitee',
-    author_email='graffatcolmingov@gmail.com',
-    url='https://github.com/requests/requests-kerberos',
-    packages=['requests_kerberos'],
-    package_data={'': ['LICENSE', 'AUTHORS']},
-    include_package_data=True,
-    version=get_version(),
-    license='ISC License',
-    install_requires=[
-        'requests>=1.1.0',
-        'cryptography>=1.3',
-        'pyspnego[kerberos]',
-    ],
-    extras_require={},
-    python_requires='>=3.6',
-    classifiers=[
-        "License :: OSI Approved :: ISC License (ISCL)"
-    ],
-)