Index: head/www/yarn/Makefile
===================================================================
--- head/www/yarn/Makefile
+++ head/www/yarn/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	yarn
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.2
+PORTREVISION=	1
 CATEGORIES=	www
 MASTER_SITES=	https://yarnpkg.com/downloads/${PORTVERSION}/
 
@@ -14,16 +15,18 @@
 
 OPTIONS_DEFINE=	HADOOPCOMPAT
 OPTIONS_SINGLE=	BACKEND
-OPTIONS_SINGLE_BACKEND=	NODE4 NODE6 NODE
-OPTIONS_DEFAULT=	NODE
+OPTIONS_SINGLE_BACKEND=	NODE4 NODE6 NODE8 NODE
+OPTIONS_DEFAULT=	NODE8
 HADOOPCOMPAT_DESC=	hadoop2 compatibility, the yarn script is excluded
 NODE_DESC=	Use www/node as backend
+NODE8_DESC=	Use www/node8 as backend
 NODE6_DESC=	Use www/node6 as backend
 NODE4_DESC=	Use www/node4 as backend
 
 OPTIONS_SUB=	yes
 
 NODE_RUN_DEPENDS=	node>=0.8.0:www/node
+NODE8_RUN_DEPENDS=	node8>=0.8.0:www/node8
 NODE6_RUN_DEPENDS=	node6>=0.8.0:www/node6
 NODE4_RUN_DEPENDS=	node4>=0.8.0:www/node4