Index: head/devel/rubygem-tzinfo/Makefile
===================================================================
--- head/devel/rubygem-tzinfo/Makefile	(revision 515789)
+++ head/devel/rubygem-tzinfo/Makefile	(revision 515790)
@@ -1,22 +1,22 @@
 # Created by: Rui Lopes (rgl ruilopes com)
 # $FreeBSD$
 
 PORTNAME=	tzinfo
-PORTVERSION=	1.2.5
+PORTVERSION=	2.0.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Daylight-savings aware timezone support for Ruby
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	rubygem-thread_safe>=0.1:devel/rubygem-thread_safe
+RUN_DEPENDS=	rubygem-concurrent-ruby>=1.0<2:devel/rubygem-concurrent-ruby
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/devel/rubygem-tzinfo/distinfo
===================================================================
--- head/devel/rubygem-tzinfo/distinfo	(revision 515789)
+++ head/devel/rubygem-tzinfo/distinfo	(revision 515790)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1517844896
-SHA256 (rubygem/tzinfo-1.2.5.gem) = 7f144179fa25bd3ac21f3b532e0925f148cc911a7456de699bf3f623864c5dba
-SIZE (rubygem/tzinfo-1.2.5.gem) = 153600
+TIMESTAMP = 1572168805
+SHA256 (rubygem/tzinfo-2.0.0.gem) = 6b2ebc114edce74eb6b56cb1c02017d49b67acb529f0c209c2e62b204271e94a
+SIZE (rubygem/tzinfo-2.0.0.gem) = 70144