Index: devel/py-installer/Makefile
===================================================================
--- devel/py-installer/Makefile
+++ devel/py-installer/Makefile
@@ -1,18 +1,22 @@
 PORTNAME=	installer
-PORTVERSION=	0.5.1
+PORTVERSION=	0.6.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	sunpoet@FreeBSD.org
+MAINTAINER=	python@FreeBSD.org
 COMMENT=	Library for installing Python wheels
 WWW=		https://github.com/pypa/installer
 
 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}
+PEP517_INSTALL_DEPEND=
+MAKE_ENV+=	PYTHONPATH=${BUILD_WRKSRC}/src
 
 NO_ARCH=	yes
 
Index: devel/py-installer/distinfo
===================================================================
--- devel/py-installer/distinfo
+++ devel/py-installer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1647264540
-SHA256 (installer-0.5.1.tar.gz) = f970995ec2bb815e2fdaf7977b26b2091e1e386f0f42eafd5ac811953dc5d445
-SIZE (installer-0.5.1.tar.gz) = 469793
+TIMESTAMP = 1672459670
+SHA256 (installer-0.6.0.tar.gz) = f3bd36cd261b440a88a1190b1becca0578fee90b4b62decc796932fdd5ae8839
+SIZE (installer-0.6.0.tar.gz) = 471077