Index: devel/py-packaging/Makefile
===================================================================
--- devel/py-packaging/Makefile
+++ devel/py-packaging/Makefile
@@ -1,10 +1,11 @@
 PORTNAME=	packaging
-PORTVERSION=	23.0
+DISTVERSION=	23.0
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	sunpoet@FreeBSD.org
+MAINTAINER=	python@FreeBSD.org
 COMMENT=	Core utilities for Python packages
 WWW=		https://github.com/pypa/packaging
 
@@ -13,12 +14,11 @@
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE.APACHE
 LICENSE_FILE_BSD2CLAUSE=${WRKSRC}/LICENSE.BSD
 
-USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USES=		python
+USE_PYTHON=	allflavors autoplist concurrent pep517
+PEP517_BUILD_CMD=	${PYTHON_CMD} -m flit_core.wheel
+PEP517_BUILD_DEPEND=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.3:devel/py-flit-core@${PY_FLAVOR}
 
 NO_ARCH=	yes
 
-post-patch:
-	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
-
 .include <bsd.port.mk>
Index: devel/py-packaging/files/setup.py
===================================================================
--- devel/py-packaging/files/setup.py
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env python
-# setup.py generated by flit for tools that don't yet use PEP 517
-
-from distutils.core import setup
-
-packages = \
-['packaging']
-
-package_data = \
-{'': ['*']}
-
-package_dir = \
-{'': 'src'}
-
-setup(name='packaging',
-      version='%%PORTVERSION%%',
-      description='Core utilities for Python packages',
-      author=None,
-      author_email='Donald Stufft <donald@stufft.io>',
-      url=None,
-      packages=packages,
-      package_data=package_data,
-      package_dir=package_dir,
-      python_requires='>=3.7',
-     )