Index: head/math/rubygem-matrix/Makefile
===================================================================
--- head/math/rubygem-matrix/Makefile	(revision 562906)
+++ head/math/rubygem-matrix/Makefile	(revision 562907)
@@ -1,20 +1,21 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	matrix
-PORTVERSION=	0.3.0
+PORTVERSION=	0.4.0
 CATEGORIES=	math rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Implementation of Matrix and Vector classes
 
-LICENSE=	BSD2CLAUSE
-LICENSE_FILE=	${WRKSRC}/LICENSE.txt
+LICENSE=	BSD2CLAUSE RUBY
+LICENSE_COMB=	dual
+LICENSE_FILE_BSD2CLAUSE=${WRKSRC}/LICENSE.txt
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/math/rubygem-matrix/distinfo
===================================================================
--- head/math/rubygem-matrix/distinfo	(revision 562906)
+++ head/math/rubygem-matrix/distinfo	(revision 562907)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1588336471
-SHA256 (rubygem/matrix-0.3.0.gem) = 3df4ddb8c5ef22bb4e883dbbbd860eec309788297df29a825734e8e52ad729a0
-SIZE (rubygem/matrix-0.3.0.gem) = 28160
+TIMESTAMP = 1611665631
+SHA256 (rubygem/matrix-0.4.0.gem) = 4e9f97350d28624a099d76573d959d7f089bfa1d5667eeee00446909c3df1646
+SIZE (rubygem/matrix-0.4.0.gem) = 28672