Index: head/www/R-cran-httpuv/Makefile
===================================================================
--- head/www/R-cran-httpuv/Makefile	(revision 506629)
+++ head/www/R-cran-httpuv/Makefile	(revision 506630)
@@ -1,24 +1,24 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	httpuv
-PORTVERSION=	1.4.5
-PORTREVISION=	1
+PORTVERSION=	1.5.1
 CATEGORIES=	www
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	HTTP and WebSocket server library for R
 
 LICENSE=	GPLv2+
 
 CRAN_DEPENDS=	R-cran-Rcpp>=0.11.0:devel/R-cran-Rcpp \
+		R-cran-R6>0:devel/R-cran-R6 \
 		R-cran-promises>0:devel/R-cran-promises \
-		R-cran-later>=0.7.3:devel/R-cran-later \
+		R-cran-later>=0.8.0:devel/R-cran-later \
 		R-cran-BH>0:devel/R-cran-BH
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
 
 USES=		cran:auto-plist,compiles
 
 .include <bsd.port.mk>
Index: head/www/R-cran-httpuv/distinfo
===================================================================
--- head/www/R-cran-httpuv/distinfo	(revision 506629)
+++ head/www/R-cran-httpuv/distinfo	(revision 506630)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1532324596
-SHA256 (httpuv_1.4.5.tar.gz) = f19113d45ba0617ff826abd7963224db61fa0a3dbfdde21f802419f7b362b7b5
-SIZE (httpuv_1.4.5.tar.gz) = 1675895
+TIMESTAMP = 1563087401
+SHA256 (httpuv_1.5.1.tar.gz) = b5bb6b3b2f1a6d792568a70f3f357d6b3a35a5e26dd0c668c61a31f2ae8f5710
+SIZE (httpuv_1.5.1.tar.gz) = 1758514