diff --git a/devel/py-build/Makefile b/devel/py-build/Makefile
index 1a191e51d175..bc31398a954a 100644
--- a/devel/py-build/Makefile
+++ b/devel/py-build/Makefile
@@ -1,30 +1,32 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	build
 PORTVERSION=	0.3.1
+DISTVERSIONSUFFIX=	.post1
+PORTREVISION=	1
 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}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 3800
 RUN_DEPENDS+= ${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0:devel/py-importlib-metadata@${PY_FLAVOR}
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/devel/py-build/distinfo b/devel/py-build/distinfo
index 0cdf4202cff7..2024f9cf8850 100644
--- a/devel/py-build/distinfo
+++ b/devel/py-build/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1618320114
-SHA256 (build-0.3.1.tar.gz) = 439c1c1708a0292d251f2f76edcfb314b015bbc9a5e0d2bf49d9f4afcb2d4408
-SIZE (build-0.3.1.tar.gz) = 32042
+TIMESTAMP = 1620405393
+SHA256 (build-0.3.1.post1.tar.gz) = 85123bf327404e68142b1eb2a8298b052e984ad5b12738549688371e6337c73a
+SIZE (build-0.3.1.post1.tar.gz) = 32100