diff --git a/devel/py-typing-extensions/Makefile b/devel/py-typing-extensions/Makefile
index 4e366bc2639d..4c7e712a13f5 100644
--- a/devel/py-typing-extensions/Makefile
+++ b/devel/py-typing-extensions/Makefile
@@ -1,23 +1,23 @@
 PORTNAME=	typing-extensions
 PORTVERSION=	4.4.0
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	typing_extensions-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Backported and Experimental Type Hints for Python 3.5+
 WWW=		https://github.com/python/typing_extensions
 
 LICENSE=	PSFL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.4<4:devel/py-flit-core@${PY_FLAVOR}
+
 USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
-post-patch:
-	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
-
 .include <bsd.port.mk>
diff --git a/devel/py-typing-extensions/files/setup.py b/devel/py-typing-extensions/files/setup.py
deleted file mode 100644
index 01dbbe73a6ae..000000000000
--- a/devel/py-typing-extensions/files/setup.py
+++ /dev/null
@@ -1,18 +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
-
-package_dir = \
-{'': 'src'}
-
-setup(name='typing_extensions',
-      version='%%PORTVERSION%%',
-      description='Backported and Experimental Type Hints for Python 3.7+',
-      author=None,
-      author_email='"Guido van Rossum, Jukka Lehtosalo, Łukasz Langa, Michael Lee" <levkivskyi@gmail.com>',
-      url=None,
-      py_modules=['typing_extensions'],
-      package_dir=package_dir,
-      python_requires='>=3.7',
-     )