diff --git a/.gitignore b/.gitignore
index 46993f4..89b3100 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
+*~
+*.pyc
+dist/
 rattail_nationbuilder.egg-info/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb8fedf..1df7dfe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,41 @@ All notable changes to rattail-nationbuilder will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## v0.3.4 (2024-08-19)
+
+### Fix
+
+- avoid deprecated method in app provider
+- avoid deprecated base class for config extension
+
+## v0.3.3 (2024-08-19)
+
+### Fix
+
+- avoid deprecated import for `parse_list()`
+
+## v0.3.2 (2024-08-13)
+
+### Fix
+
+- update app provider entry point, per wuttjamaican
+
+## v0.3.1 (2024-07-01)
+
+### Fix
+
+- remove legacy command definitions
+
+## v0.3.0 (2024-06-10)
+
+### Feat
+
+- switch from setup.cfg to pyproject.toml + hatchling
+
+## [0.2.0] - 2024-05-29
+### Changed
+- Migrate all commands to use `typer`.
+
 ## [0.1.14] - 2023-12-01
 ### Changed
 - Update subcommand entry point group names, per wuttjamaican.
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..d484943
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,55 @@
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+
+[project]
+name = "rattail-nationbuilder"
+version = "0.3.4"
+description = "Rattail integration package for NationBuilder"
+readme = "README.md"
+authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]
+license = {text = "GNU GPL v3+"}
+classifiers = [
+        "Development Status :: 4 - Beta",
+        "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",
+        "Topic :: Office/Business",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+]
+dependencies = [
+        "rattail",
+]
+
+
+[project.entry-points."rattail.typer_imports"]
+rattail_nationbuilder = "rattail_nationbuilder.commands"
+
+
+[project.entry-points."rattail.config.extensions"]
+rattail_nationbuilder = "rattail_nationbuilder.config:RattailNationBuilderExtension"
+
+
+[project.entry-points."rattail.importing"]
+"to_rattail.from_nationbuilder.import" = "rattail_nationbuilder.importing.nationbuilder:FromNationBuilderToRattail"
+
+
+[project.entry-points."wutta.app.providers"]
+rattail_nationbuilder = "rattail_nationbuilder.app:NationBuilderProvider"
+
+
+[project.urls]
+Homepage = "https://rattailproject.org"
+Repository = "https://forgejo.wuttaproject.org/rattail/rattail-nationbuilder"
+Changelog = "https://forgejo.wuttaproject.org/rattail/rattail-nationbuilder/src/branch/master/CHANGELOG.md"
+
+
+[tool.commitizen]
+version_provider = "pep621"
+tag_format = "v$version"
+update_changelog_on_bump = true
diff --git a/rattail_nationbuilder/_version.py b/rattail_nationbuilder/_version.py
index 19bf267..ab7b619 100644
--- a/rattail_nationbuilder/_version.py
+++ b/rattail_nationbuilder/_version.py
@@ -1,3 +1,6 @@
 # -*- coding: utf-8; -*-
 
-__version__ = '0.1.14'
+from importlib.metadata import version
+
+
+__version__ = version('rattail-nationbuilder')
diff --git a/rattail_nationbuilder/app.py b/rattail_nationbuilder/app.py
index 0fa8ccb..e18f15f 100644
--- a/rattail_nationbuilder/app.py
+++ b/rattail_nationbuilder/app.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -36,7 +36,7 @@ class NationBuilderProvider(RattailProvider):
         if 'nationbuilder' not in self.handlers:
             spec = self.config.get('rattail', 'nationbuilder.handler',
                                    default='rattail_nationbuilder.app:NationBuilderHandler')
-            factory = self.load_object(spec)
+            factory = self.app.load_object(spec)
             self.handlers['nationbuilder'] = factory(self.config, **kwargs)
         return self.handlers['nationbuilder']
 
diff --git a/rattail_nationbuilder/commands.py b/rattail_nationbuilder/commands.py
index de3456a..707de46 100644
--- a/rattail_nationbuilder/commands.py
+++ b/rattail_nationbuilder/commands.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,13 +24,25 @@
 rattail-nationbuilder commands
 """
 
-from rattail import commands
+import typer
+
+from rattail.commands import rattail_typer
+from rattail.commands.typer import importer_command, typer_get_runas_user
+from rattail.commands.importing import ImportCommandHandler
 
 
-class ImportNationBuilder(commands.ImportSubcommand):
+@rattail_typer.command()
+@importer_command
+def import_nationbuilder(
+        ctx: typer.Context,
+        **kwargs
+):
     """
     Import data for NationBuilder => Rattail
     """
-    name = 'import-nationbuilder'
-    description = __doc__.strip()
-    handler_key = 'to_rattail.from_nationbuilder.import'
+    config = ctx.parent.rattail_config
+    progress = ctx.parent.rattail_progress
+    handler = ImportCommandHandler(
+        config, import_handler_key='to_rattail.from_nationbuilder.import')
+    kwargs['user'] = typer_get_runas_user(ctx)
+    handler.run(kwargs, progress=progress)
diff --git a/rattail_nationbuilder/config.py b/rattail_nationbuilder/config.py
index de2aef3..0c6fa3c 100644
--- a/rattail_nationbuilder/config.py
+++ b/rattail_nationbuilder/config.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -24,10 +24,10 @@
 Config Extension
 """
 
-from rattail.config import ConfigExtension
+from wuttjamaican.conf import WuttaConfigExtension
 
 
-class RattailNationBuilderExtension(ConfigExtension):
+class RattailNationBuilderExtension(WuttaConfigExtension):
     """
     Config extension for rattail-nationbuilder
     """
@@ -36,7 +36,7 @@ class RattailNationBuilderExtension(ConfigExtension):
     def configure(self, config):
 
         # rattail import-nationbuilder
-        config.setdefault('rattail.importing', 'to_rattail.from_nationbulder.import.default_handler',
+        config.setdefault('rattail.importing.to_rattail.from_nationbulder.import.default_handler',
                           'rattail_nationbuilder.importing.nationbuilder:FromNationBuilderToRattail')
-        config.setdefault('rattail.importing', 'to_rattail.from_nationbuilder.import.default_cmd',
+        config.setdefault('rattail.importing.to_rattail.from_nationbuilder.import.default_cmd',
                           'rattail import-nationbuilder')
diff --git a/rattail_nationbuilder/db/model/nationbuilder.py b/rattail_nationbuilder/db/model/nationbuilder.py
index 12fdbc6..6f08e09 100644
--- a/rattail_nationbuilder/db/model/nationbuilder.py
+++ b/rattail_nationbuilder/db/model/nationbuilder.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -27,9 +27,10 @@ NationBuilder cache tables
 import sqlalchemy as sa
 from sqlalchemy import orm
 
+from wuttjamaican.util import parse_list
+
 from rattail.db import model
 from rattail.db.util import normalize_full_name
-from rattail.config import parse_list
 
 
 class NationBuilderCachePerson(model.Base):
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index da55360..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,44 +0,0 @@
-# -*- coding: utf-8; -*-
-
-[metadata]
-name = rattail-nationbuilder
-version = attr: rattail_nationbuilder.__version__
-author = Lance Edgar
-author_email = lance@edbob.org
-url = https://rattailproject.org/
-license = GNU GPL v3
-description = Rattail integration package for NationBuilder
-long_description = file: README.md
-classifiers =
-        Development Status :: 4 - Beta
-        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
-        Topic :: Office/Business
-        Topic :: Software Development :: Libraries :: Python Modules
-
-
-[options]
-install_requires =
-        rattail
-
-packages = find:
-include_package_data = True
-
-
-[options.entry_points]
-
-rattail.subcommands =
-        import-nationbuilder = rattail_nationbuilder.commands:ImportNationBuilder
-
-rattail.config.extensions =
-        rattail_nationbuilder = rattail_nationbuilder.config:RattailNationBuilderExtension
-
-rattail.importing =
-        to_rattail.from_nationbuilder.import = rattail_nationbuilder.importing.nationbuilder:FromNationBuilderToRattail
-
-rattail.providers =
-        rattail_nationbuilder = rattail_nationbuilder.app:NationBuilderProvider
diff --git a/setup.py b/setup.py
deleted file mode 100644
index db55b4b..0000000
--- a/setup.py
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- coding: utf-8; -*-
-################################################################################
-#
-#  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
-#
-#  This file is part of Rattail.
-#
-#  Rattail is free software: you can redistribute it and/or modify it under the
-#  terms of the GNU General Public License as published by the Free Software
-#  Foundation, either version 3 of the License, or (at your option) any later
-#  version.
-#
-#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
-#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-#  details.
-#
-#  You should have received a copy of the GNU General Public License along with
-#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
-#
-################################################################################
-"""
-rattail-nationbuilder setup script
-"""
-
-from setuptools import setup
-
-setup()
diff --git a/tasks.py b/tasks.py
index cb2927f..20fb0d4 100644
--- a/tasks.py
+++ b/tasks.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -30,22 +30,17 @@ import shutil
 from invoke import task
 
 
-here = os.path.abspath(os.path.dirname(__file__))
-exec(open(os.path.join(here, 'rattail_nationbuilder', '_version.py')).read())
-
-
 @task
 def release(c):
     """
     Release a new version of rattail-nationbuilder
     """
-    # rebuild local tar.gz file for distribution
+    # rebuild package
+    if os.path.exists('dist'):
+        shutil.rmtree('dist')
     if os.path.exists('rattail_nationbuilder.egg-info'):
         shutil.rmtree('rattail_nationbuilder.egg-info')
     c.run('python -m build --sdist')
 
-    # filename of built package
-    filename = 'rattail-nationbuilder-{}.tar.gz'.format(__version__)
-
     # upload to PyPI
-    c.run('twine upload dist/{}'.format(filename))
+    c.run('twine upload dist/*')