diff --git a/devel/rubygem-hamster/Makefile b/devel/rubygem-hamster/Makefile
index 18b03605b4cc..a0a5477da5d7 100644
--- a/devel/rubygem-hamster/Makefile
+++ b/devel/rubygem-hamster/Makefile
@@ -1,20 +1,21 @@
 # Created by: TAKATSU Tomonari <tota@FreeBSD.org>
 
 PORTNAME=	hamster
 PORTVERSION=	3.0.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Efficient, immutable, thread-safe collection classes for Ruby
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	rubygem-concurrent-ruby>=1.0:devel/rubygem-concurrent-ruby
+RUN_DEPENDS=	rubygem-concurrent-ruby>=1.0<2:devel/rubygem-concurrent-ruby
 
-NO_ARCH=	yes
-USE_RUBY=	yes
 USES=		gem
+USE_RUBY=	yes
+
+NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/rubygem-hamster/pkg-descr b/devel/rubygem-hamster/pkg-descr
index 9b52450449b3..c317bcaa9180 100644
--- a/devel/rubygem-hamster/pkg-descr
+++ b/devel/rubygem-hamster/pkg-descr
@@ -1,7 +1,7 @@
 Efficient, immutable, and thread-safe collection classes for Ruby.
 
 Hamster provides 6 Persistent Data Structures: Hash, Vector, Set,
 SortedSet, List, and Deque (which works as an immutable queue or
 stack).
 
-WWW: https://rubygems.org/gems/hamster
+WWW: https://github.com/hamstergem/hamster