diff --git a/math/R-cran-gpclib/Makefile b/math/R-cran-gpclib/Makefile
index e8b5c2a31b16..a6a83b6a5445 100644
--- a/math/R-cran-gpclib/Makefile
+++ b/math/R-cran-gpclib/Makefile
@@ -2,8 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	gpclib
-DISTVERSION=	1.5-5
-PORTREVISION=	9
+DISTVERSION=	1.5-6
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
diff --git a/math/R-cran-gpclib/distinfo b/math/R-cran-gpclib/distinfo
index ed09bca56f0b..937fb6bcb929 100644
--- a/math/R-cran-gpclib/distinfo
+++ b/math/R-cran-gpclib/distinfo
@@ -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
diff --git a/math/R-cran-gpclib/pkg-descr b/math/R-cran-gpclib/pkg-descr
index 879ca63dbf87..850a7bf390af 100644
--- a/math/R-cran-gpclib/pkg-descr
+++ b/math/R-cran-gpclib/pkg-descr
@@ -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