Index: head/devel/rubygem-async/Makefile
===================================================================
--- head/devel/rubygem-async/Makefile	(revision 512838)
+++ head/devel/rubygem-async/Makefile	(revision 512839)
@@ -1,23 +1,23 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	async
-PORTVERSION=	1.20.1
+PORTVERSION=	1.21.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Modern asynchronous I/O framework for Ruby
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	rubygem-console>=1.0<2:devel/rubygem-console \
 		rubygem-nio4r>=2.3<3:devel/rubygem-nio4r \
 		rubygem-timers>=4.1<5:devel/rubygem-timers
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/devel/rubygem-async/distinfo
===================================================================
--- head/devel/rubygem-async/distinfo	(revision 512838)
+++ head/devel/rubygem-async/distinfo	(revision 512839)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1566229332
-SHA256 (rubygem/async-1.20.1.gem) = 42d3b1668d19f6e13e53d53f842e2df851f802209098a773cdfc17580f41705f
-SIZE (rubygem/async-1.20.1.gem) = 1804288
+TIMESTAMP = 1568894552
+SHA256 (rubygem/async-1.21.0.gem) = f4bbe9ac21fb8e6aa76aa20056e73f053be7cc7f565107154c0859ff2b557df2
+SIZE (rubygem/async-1.21.0.gem) = 1805824