Index: head/net/rubygem-grpc/Makefile
===================================================================
--- head/net/rubygem-grpc/Makefile	(revision 445431)
+++ head/net/rubygem-grpc/Makefile	(revision 445432)
@@ -1,29 +1,34 @@
 # $FreeBSD$
 
 PORTNAME=	grpc
 PORTVERSION=	1.4.0
+PORTREVISION=	1
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	tz@FreeBSD.org
 COMMENT=	Ruby implementation of gRPC
 
 LICENSE=	BSD3CLAUSE
 
 RUN_DEPENDS=	ca_root_nss>=0:security/ca_root_nss \
 		grpc>=0:devel/grpc \
 		rubygem-google-protobuf>=3.0:devel/rubygem-google-protobuf \
 		rubygem-googleauth>=0.5.1:security/rubygem-googleauth
+
 LIB_DEPENDS=	libcares.so:dns/c-ares
+
+BUILD_DEPENDS=	ca_root_nss>=0:security/ca_root_nss \
+		grpc>=0:devel/grpc
 
 MAKE_JOBS_UNSAFE=yes
 
 USE_RUBY=	yes
 USES=		gem gmake pkgconfig
 
 post-extract:
 	@${RM} -r ${WRKSRC}/include ${WRKSRC}/third_party ${WRKSRC}/src/boringssl \
 		${WRKSRC}/src/core ${WRKSRC}/Makefile ${WRKSRC}/.yardopts ${WRKSRC}/etc
 	@${CP} ${FILESDIR}/grpc.gemspec ${WRKSRC}
 
 .include <bsd.port.mk>