Index: head/math/R-cran-gpclib/Makefile
===================================================================
--- head/math/R-cran-gpclib/Makefile	(revision 528767)
+++ head/math/R-cran-gpclib/Makefile	(revision 528768)
@@ -1,15 +1,14 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	gpclib
-DISTVERSION=	1.5-5
-PORTREVISION=	9
+DISTVERSION=	1.5-6
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	General Polygon Clipping Library for R
 
 USES=		cran:auto-plist,compiles
 
 .include <bsd.port.mk>
Index: head/math/R-cran-gpclib/distinfo
===================================================================
--- head/math/R-cran-gpclib/distinfo	(revision 528767)
+++ head/math/R-cran-gpclib/distinfo	(revision 528768)
@@ -1,2 +1,3 @@
-SHA256 (gpclib_1.5-5.tar.gz) = 5bced90e7df592cf92fed8dc50586c3593524ddd8f140b848d4f57cfd10a4822
-SIZE (gpclib_1.5-5.tar.gz) = 41980
+TIMESTAMP = 1584694821
+SHA256 (gpclib_1.5-6.tar.gz) = fa4e3e1f74e327b185e873052f826312ed6f71cc907a49be4c1e224ace7b5286
+SIZE (gpclib_1.5-6.tar.gz) = 26237
Index: head/math/R-cran-gpclib/pkg-descr
===================================================================
--- head/math/R-cran-gpclib/pkg-descr	(revision 528767)
+++ head/math/R-cran-gpclib/pkg-descr	(revision 528768)
@@ -1,4 +1,4 @@
 R-cran-gpclib is a general polygon clipping routines for
 R based on Alan Murta's C library.
 
-WWW: http://www.cs.man.ac.uk/~toby/alan/software/
+WWW: https://github.com/rdpeng/gpclib