Index: head/www/yarn/Makefile
===================================================================
--- head/www/yarn/Makefile	(revision 503070)
+++ head/www/yarn/Makefile	(revision 503071)
@@ -1,57 +1,59 @@
 # $FreeBSD$
 
 PORTNAME=	yarn
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.15.2
+DISTVERSION=	1.16.0
 CATEGORIES=	www
 MASTER_SITES=	https://yarnpkg.com/downloads/${PORTVERSION}/
 
 MAINTAINER=	pizzamig@FreeBSD.org
 COMMENT=	Package manager for node, alternative to npm
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
+
+CONFLICTS?=	yarn-node10 yarn-node8
 
 OPTIONS_DEFINE=	HADOOPCOMPAT
 OPTIONS_SINGLE=	BACKEND
 OPTIONS_SINGLE_BACKEND=	NODE6 NODE8 NODE10 NODE
 OPTIONS_DEFAULT=	NODE
 HADOOPCOMPAT_DESC=	hadoop2 compatibility, the yarn script is excluded
 NODE_DESC=	Use www/node as backend
 NODE10_DESC=	Use www/node10 as backend
 NODE8_DESC=	Use www/node8 as backend
 NODE6_DESC=	Use www/node6 as backend
 
 OPTIONS_SUB=	yes
 
 NODE_RUN_DEPENDS=	node>=0.8.0:www/node
 NODE10_RUN_DEPENDS=	node10>=10.0.0:www/node10
 NODE8_RUN_DEPENDS=	node8>=0.8.0:www/node8
 NODE6_RUN_DEPENDS=	node6>=0.8.0:www/node6
 
 HADOOPCOMPAT_CONFLICTS_INSTALL_OFF=	hadoop2*
 
 NO_ARCH=	yes
 NO_BUILD=	yes
 
 post-patch:
 	@${RM} ${WRKSRC}/bin/*.cmd
 	@${REINPLACE_CMD} -i '' \
 		-e 's|"installationMethod": "tar"|"installationMethod": "pkg"|g' \
 		${WRKSRC}/package.json
 	@${REINPLACE_CMD} -i '' -e 's%Linux)%Linux|FreeBSD)%g' \
 		${WRKSRC}/bin/yarn
 
 do-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/node_modules/yarn
 	(cd ${WRKSRC}/ && ${COPYTREE_SHARE} . ${STAGEDIR}${PREFIX}/lib/node_modules/yarn)
 	${RLN} ${STAGEDIR}${PREFIX}/lib/node_modules/yarn/bin/yarn.js \
 		${STAGEDIR}${PREFIX}/bin/yarn.js
 	${RLN} ${STAGEDIR}${PREFIX}/lib/node_modules/yarn/bin/yarnpkg \
 		${STAGEDIR}${PREFIX}/bin/yarnpkg
 
 do-install-HADOOPCOMPAT-off:
 	${RLN} ${STAGEDIR}${PREFIX}/lib/node_modules/yarn/bin/yarn \
 		${STAGEDIR}${PREFIX}/bin/yarn
 
 .include <bsd.port.mk>
Index: head/www/yarn/distinfo
===================================================================
--- head/www/yarn/distinfo	(revision 503070)
+++ head/www/yarn/distinfo	(revision 503071)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1553787121
-SHA256 (yarn-v1.15.2.tar.gz) = c4feca9ba5d6bf1e820e8828609d3de733edf0e4722d17ed7ce493ed39f61abd
-SIZE (yarn-v1.15.2.tar.gz) = 1169927
+TIMESTAMP = 1559118796
+SHA256 (yarn-v1.16.0.tar.gz) = df202627d9a70cf09ef2fb11cb298cb619db1b958590959d6f6e571b50656029
+SIZE (yarn-v1.16.0.tar.gz) = 1172930