diff --git a/devel/py-tempora/Makefile b/devel/py-tempora/Makefile
index cb09ec415e79..26ffac9883e4 100644
--- a/devel/py-tempora/Makefile
+++ b/devel/py-tempora/Makefile
@@ -1,23 +1,25 @@
 # Created by: Martin Wilke <miwi@FreeBSD.org>
 
 PORTNAME=	tempora
 PORTVERSION=	4.1.1
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Objects and routines pertaining to date and time
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=3.4.1:devel/py-setuptools_scm@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}jaraco.functools>=1.20:devel/py-jaraco.functools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytz>=0,1:devel/py-pytz@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>