diff --git a/devel/py-build/Makefile b/devel/py-build/Makefile
index 6665c5bbf0cc..3978822ddb5f 100644
--- a/devel/py-build/Makefile
+++ b/devel/py-build/Makefile
@@ -1,32 +1,30 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	build
-PORTVERSION=	0.3.1
-DISTVERSIONSUFFIX=	.post1
-PORTREVISION=	1
+PORTVERSION=	0.5.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	PEP517 package builder
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}packaging>=0:devel/py-packaging@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pep517>=0.9:devel/py-pep517@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}toml>=0:textproc/py-toml@${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} \
+		${PYTHON_PKGNAMEPREFIX}toml>=0.10.0:textproc/py-toml@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 30800
-RUN_DEPENDS+= ${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0:devel/py-importlib-metadata@${PY_FLAVOR}
+RUN_DEPENDS+= ${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0.22:devel/py-importlib-metadata@${PY_FLAVOR}
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/devel/py-build/distinfo b/devel/py-build/distinfo
index 2024f9cf8850..e6b9cd4ed5f7 100644
--- a/devel/py-build/distinfo
+++ b/devel/py-build/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1620405393
-SHA256 (build-0.3.1.post1.tar.gz) = 85123bf327404e68142b1eb2a8298b052e984ad5b12738549688371e6337c73a
-SIZE (build-0.3.1.post1.tar.gz) = 32100
+TIMESTAMP = 1624189717
+SHA256 (build-0.5.0.tar.gz) = 796b01140255071bb5a69e63758a3588a8a1cf4823b02d4282f82a72119fafba
+SIZE (build-0.5.0.tar.gz) = 15244