Index: devel/py-pep517/Makefile
===================================================================
--- devel/py-pep517/Makefile
+++ devel/py-pep517/Makefile
@@ -1,5 +1,6 @@
 PORTNAME=	pep517
 PORTVERSION=	0.13.0
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -11,8 +12,10 @@
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-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=	${PYTHON_PKGNAMEPREFIX}flit_core>0:devel/py-flit-core@${PY_FLAVOR}
 
 NO_ARCH=	yes
 
@@ -27,7 +30,4 @@
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}tomli>=1.1.0:textproc/py-tomli@${PY_FLAVOR}
 .endif
 
-post-patch:
-	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
-
 .include <bsd.port.post.mk>
Index: devel/py-pep517/files/setup.py
===================================================================
--- devel/py-pep517/files/setup.py
+++ /dev/null
@@ -1,26 +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 = \
-['pep517', 'pep517.in_process']
-
-package_data = \
-{'': ['*']}
-
-extras_require = \
-{":python_version<'3.11'": ['tomli >=1.1.0'],
- ":python_version<'3.8'": ['importlib_metadata', 'zipp']}
-
-setup(name='pep517',
-      version='%%PORTVERSION%%',
-      description='Wrappers to build Python packages using PEP 517 hooks',
-      author='Thomas Kluyver',
-      author_email='thomas@kluyver.me.uk',
-      url='https://github.com/pypa/pep517',
-      packages=packages,
-      package_data=package_data,
-      extras_require=extras_require,
-      python_requires='>=3.6',
-     )