diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..bc4bb451
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,102 @@
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+
+[project]
+name = "Tailbone"
+version = "0.11.10"
+description = "Backoffice Web Application for Rattail"
+readme = "README.rst"
+authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]
+license = {text = "GNU GPL v3+"}
+classifiers = [
+        "Development Status :: 4 - Beta",
+        "Environment :: Web Environment",
+        "Framework :: Pyramid",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
+        "Natural Language :: English",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Topic :: Internet :: WWW/HTTP",
+        "Topic :: Office/Business",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+]
+requires-python = ">= 3.8"
+dependencies = [
+        "asgiref",
+        "colander",
+        "ColanderAlchemy",
+        "cornice",
+        "cornice-swagger",
+        "deform",
+        "humanize",
+        "Mako",
+        "markdown",
+        "openpyxl",
+        "paginate",
+        "paginate_sqlalchemy",
+        "passlib",
+        "Pillow",
+        "pyramid>=2",
+        "pyramid_beaker",
+        "pyramid_deform",
+        "pyramid_exclog",
+        "pyramid_fanstatic",
+        "pyramid_mako",
+        "pyramid_retry",
+        "pyramid_tm",
+        "rattail[db,bouncer]",
+        "sa-filters",
+        "simplejson",
+        "transaction",
+        "waitress",
+        "WebHelpers2",
+        "zope.sqlalchemy>=1.5",
+]
+
+
+[project.optional-dependencies]
+docs = ["Sphinx", "sphinx-rtd-theme"]
+tests = ["coverage", "mock", "pytest", "pytest-cov"]
+
+
+[project.entry-points."paste.app_factory"]
+main = "tailbone.app:main"
+webapi = "tailbone.webapi:main"
+
+
+[project.entry-points."rattail.cleaners"]
+beaker = "tailbone.cleanup:BeakerCleaner"
+
+
+[project.entry-points."rattail.config.extensions"]
+tailbone = "tailbone.config:ConfigExtension"
+
+
+[project.urls]
+Homepage = "https://rattailproject.org"
+Repository = "https://kallithea.rattailproject.org/rattail-project/tailbone"
+Issues = "https://redmine.rattailproject.org/projects/tailbone/issues"
+Changelog = "https://kallithea.rattailproject.org/rattail-project/tailbone/files/master/CHANGELOG.md"
+
+
+[tool.commitizen]
+version_provider = "pep621"
+tag_format = "v$version"
+update_changelog_on_bump = true
+
+
+[tool.nosetests]
+nocapture = 1
+cover-package = "tailbone"
+cover-erase = 1
+cover-html = 1
+cover-html-dir = "htmlcov"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 1787343a..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,96 +0,0 @@
-
-[metadata]
-name = Tailbone
-version = 0.11.10
-author = Lance Edgar
-author_email = lance@edbob.org
-url = http://rattailproject.org/
-license = GNU GPL v3
-description = Backoffice Web Application for Rattail
-long_description = file: README.rst
-classifiers =
-        Development Status :: 4 - Beta
-        Environment :: Web Environment
-        Framework :: Pyramid
-        Intended Audience :: Developers
-        License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
-        Natural Language :: English
-        Operating System :: OS Independent
-        Programming Language :: Python
-        Programming Language :: Python :: 3
-        Programming Language :: Python :: 3.6
-        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
-        Topic :: Internet :: WWW/HTTP
-        Topic :: Office/Business
-        Topic :: Software Development :: Libraries :: Python Modules
-
-
-[options]
-packages = find:
-include_package_data = True
-install_requires =
-        asgiref
-        colander
-        ColanderAlchemy
-        cornice
-        cornice-swagger
-        deform
-        humanize
-        Mako
-        markdown
-        openpyxl
-        paginate
-        paginate_sqlalchemy
-        passlib
-        Pillow
-        pyramid>=2
-        pyramid_beaker
-        pyramid_deform
-        pyramid_exclog
-        pyramid_fanstatic
-        pyramid_mako
-        pyramid_retry
-        pyramid_tm
-        rattail[db,bouncer]
-        sa-filters
-        simplejson
-        transaction
-        waitress
-        WebHelpers2
-        zope.sqlalchemy>=1.5
-
-
-[options.packages.find]
-exclude =
-        tests.*
-        tests
-
-
-[options.extras_require]
-docs = Sphinx; sphinx-rtd-theme
-tests = coverage; mock; pytest; pytest-cov
-
-
-[options.entry_points]
-
-paste.app_factory =
-        main = tailbone.app:main
-        webapi = tailbone.webapi:main
-
-rattail.cleaners =
-        beaker = tailbone.cleanup:BeakerCleaner
-
-rattail.config.extensions =
-        tailbone = tailbone.config:ConfigExtension
-
-
-[nosetests]
-nocapture = 1
-cover-package = tailbone
-cover-erase = 1
-cover-html = 1
-cover-html-dir = htmlcov
diff --git a/setup.py b/setup.py
deleted file mode 100644
index b908cbe5..00000000
--- a/setup.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import setuptools
-
-setuptools.setup()
diff --git a/tox.ini b/tox.ini
index 6e45883c..3896befb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,24 +1,12 @@
 
 [tox]
-# TODO: i had to remove py36 since something (hatchling?) broke it
-# somehow, and i was not able to quickly fix.  as of writing only
-# one app is known to run py36 and hopefully that is not for long.
-envlist = py37, py38, py39, py310, py311
-
-# TODO: can remove this when we drop py36 support
-# nb. need this for testing older python versions
-# https://tox.wiki/en/latest/faq.html#testing-end-of-life-python-versions
-requires = virtualenv<20.22.0
+envlist = py38, py39, py310, py311
 
 [testenv]
 deps = rattail-tempmon
 extras = tests
 commands = pytest {posargs}
 
-[testenv:py37]
-# nb. Chameleon 4.3 requires Python 3.9+
-deps = Chameleon<4.3
-
 [testenv:coverage]
 basepython = python3
 extras = tests