diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e0732d0..41cd8d6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.9", "3.10", "3.11", "3.12"]
+        python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4
@@ -50,7 +50,7 @@ jobs:
     - name: Build package
       run: python -m build
     - name: upload windows dists
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: release-dists
         path: dist/
diff --git a/.gitignore b/.gitignore
index 5030d4f..71bfe8a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 .tox
 *.egg-info
 /AUTHORS
-/ChangeLog
 dist/
 doc/build
 .coverage
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..679df97
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,2 @@
+ChangeLog
+=========
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..35b90aa
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,55 @@
+[build-system]
+requires = ["hatchling", "hatch-vcs"]
+build-backend = "hatchling.build"
+
+[project]
+name = "beagle"
+description = "Command Line Client for Hound"
+readme = "README.rst"
+requires-python = ">=3.9"
+license = { text = "Apache-2.0" }
+authors = [
+  { name = "Doug Hellmann", email = "doug@doughellmann.com" }
+]
+classifiers = [
+  "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"
+]
+dependencies = []
+dynamic = ["version"]
+
+[project.scripts]
+beagle = "beagle.app:main"
+
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.targets.sdist]
+include = [
+  "/beagle",
+  "/README.rst",
+  "/LICENSE"
+]
+
+[project.entry-points."beagle.cli"]
+search = "beagle.search:Search"
+
+[project.entry-points."cliff.formatter.list"]
+grep = "beagle.grep_formatter:GrepFormatter"
+link = "beagle.openstack:OSLinkFormatter"
+
+[project.entry-points."openstack.cli"]
+code_search = "beagle.search:Search"
+
+[project.optional-dependencies]
+test = [
+  "coverage",
+  "pytest",
+  "pytest-cov",
+  "testtools",
+  "fixtures",
+  "flake8"
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index a2cb995..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,55 +0,0 @@
-[metadata]
-name = beagle
-summary = Command line client for Hound
-description-file =
-    README.rst
-author = Doug Hellmann
-author-email = doug@doughellmann.com
-home-page = https://github.com/beaglecli/beagle/
-python-requires = >=3.9
-classifier =
-    Intended Audience :: Developers
-    Intended Audience :: Information Technology
-    Intended Audience :: System Administrators
-    License :: OSI Approved :: Apache Software License
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-install_requires =
-   setuptools
-
-[files]
-packages =
-    beagle
-
-[extras]
-test =
-  coverage
-  pytest
-  pytest-cov
-  testtools
-  fixtures
-  flake8
-
-[entry_points]
-console_scripts =
-    beagle = beagle.app:main
-beagle.cli =
-    search = beagle.search:Search
-cliff.formatter.list =
-    grep = beagle.grep_formatter:GrepFormatter
-    link = beagle.openstack:OSLinkFormatter
-openstack.cli =
-    code_search = beagle.search:Search
-
-[build_sphinx]
-all-files = 1
-warning-is-error = 1
-source-dir = doc/source
-build-dir = doc/build
-
-[upload_sphinx]
-upload-dir = doc/build/html
diff --git a/setup.py b/setup.py
deleted file mode 100644
index bb3db27..0000000
--- a/setup.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import setuptools
-
-# In python < 2.7.4, a lazy loading of package `pbr` will break
-# setuptools if some other modules registered functions in `atexit`.
-# solution from: http://bugs.python.org/issue15881#msg170215
-try:
-    import multiprocessing  # noqa
-except ImportError:
-    pass
-
-setuptools.setup(
-    setup_requires=['pbr'],
-    pbr=True)
diff --git a/tox.ini b/tox.ini
index 5513e1d..6f293a4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.2.0
-envlist = py38,pep8
+envlist = py39,py310,py311,py312,py313,pep8
 
 [testenv]
 usedevelop = True
@@ -12,6 +12,7 @@ deps = .[test]
 commands = {posargs}
 
 [testenv:pep8]
+deps = flake8
 commands = flake8 {posargs}
 
 [testenv:cover]
@@ -27,8 +28,7 @@ commands =
 [testenv:docs]
 deps = -r{toxinidir}/doc/requirements.txt
 commands =
-    python setup.py sdist
-    sphinx-build -a -E -W -b html doc/source doc/build/html;;
+    sphinx-build -a -E -W -b html doc/source doc/build/html
 
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.