Index: head/devel/R-cran-pkgmaker/Makefile
===================================================================
--- head/devel/R-cran-pkgmaker/Makefile	(revision 524152)
+++ head/devel/R-cran-pkgmaker/Makefile	(revision 524153)
@@ -1,26 +1,28 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pkgmaker
-PORTVERSION=	0.27
-PORTREVISION=	2
+PORTVERSION=	0.31
 CATEGORIES=	devel
 DISTNAME=	${PORTNAME}_${PORTVERSION}
 
 MAINTAINER=	tota@FreeBSD.org
 COMMENT=	Package development utilities
 
 LICENSE=	GPLv2+
 
 CRAN_DEPENDS=	R-cran-registry>0:devel/R-cran-registry \
 		R-cran-digest>0:security/R-cran-digest \
+		R-cran-stringi>0:textproc/R-cran-stringi \
+		R-cran-magrittr>0:devel/R-cran-magrittr \
 		R-cran-stringr>0:textproc/R-cran-stringr \
 		R-cran-xtable>0:textproc/R-cran-xtable \
 		R-cran-withr>0:devel/R-cran-withr \
-		R-cran-bibtex>=0.4:textproc/R-cran-bibtex
+		R-cran-bibtex>=0.4:textproc/R-cran-bibtex \
+		R-cran-assertthat>0:math/R-cran-assertthat
 BUILD_DEPENDS=	${CRAN_DEPENDS}
 RUN_DEPENDS=	${CRAN_DEPENDS}
 
 USES=	cran:auto-plist
 
 .include <bsd.port.mk>
Index: head/devel/R-cran-pkgmaker/distinfo
===================================================================
--- head/devel/R-cran-pkgmaker/distinfo	(revision 524152)
+++ head/devel/R-cran-pkgmaker/distinfo	(revision 524153)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1527485339
-SHA256 (pkgmaker_0.27.tar.gz) = 17a289d8f596ba5637b07077b3bff22411a2c2263c0b7de59fe848666555ec6a
-SIZE (pkgmaker_0.27.tar.gz) = 165319
+TIMESTAMP = 1580014096
+SHA256 (pkgmaker_0.31.tar.gz) = cb12a54889f14d4d05d8fba890ffc7c981db301f81fb7fe6819c777ea7d98631
+SIZE (pkgmaker_0.31.tar.gz) = 170487