Index: devel/py-build/Makefile
===================================================================
--- devel/py-build/Makefile
+++ devel/py-build/Makefile
@@ -1,7 +1,8 @@
 PORTNAME=	build
 PORTVERSION=	0.9.0
+PORTREVISION=	1
 CATEGORIES=	devel python
-MASTER_SITES=	CHEESESHOP
+#MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
@@ -11,21 +12,31 @@
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit_core>=3.4:devel/py-flit-core@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}packaging>=19.0:devel/py-packaging@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pep517>=0.9.1:devel/py-pep517@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}packaging>=19.0:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pep517>=0.9.1:devel/py-pep517@${PY_FLAVOR}
 
-USES=		python:3.6+
-USE_PYTHON=	autoplist concurrent distutils
+USES=		python
+USE_PYTHON=	allflavors autoplist concurrent pep517
+PEP517_BUILD_DEPEND=
+MAKE_ENV+=	PYTHONPATH=${BUILD_WRKSRC}/src
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	pypa
+GH_TAGNAME=	de60f38c13618572502365090e21715940e575cd
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 30800
-RUN_DEPENDS+= ${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0.22:devel/py-importlib-metadata@${PY_FLAVOR}
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0.22:devel/py-importlib-metadata@${PY_FLAVOR}
 .endif
 
 .if ${PYTHON_REL} < 31100
+BUILD_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}tomli>=1.0.0:textproc/py-tomli@${PY_FLAVOR}
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}tomli>=1.0.0:textproc/py-tomli@${PY_FLAVOR}
 .endif
 
Index: devel/py-build/distinfo
===================================================================
--- devel/py-build/distinfo
+++ devel/py-build/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1669057691
-SHA256 (build-0.9.0.tar.gz) = 1a07724e891cbd898923145eb7752ee7653674c511378eb9c7691aab1612bc3c
-SIZE (build-0.9.0.tar.gz) = 17450
+TIMESTAMP = 1672466307
+SHA256 (pypa-build-0.9.0-de60f38c13618572502365090e21715940e575cd_GH0.tar.gz) = 495f366e6a68c6dc770e8ec8f4a75f3db30989ee9becfb751526d58afd0f11d1
+SIZE (pypa-build-0.9.0-de60f38c13618572502365090e21715940e575cd_GH0.tar.gz) = 40975