Index: head/net/rubygem-fog-cloudstack/Makefile
===================================================================
--- head/net/rubygem-fog-cloudstack/Makefile	(revision 515026)
+++ head/net/rubygem-fog-cloudstack/Makefile	(revision 515027)
@@ -1,24 +1,24 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	fog-cloudstack
 PORTVERSION=	0.1.0
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Module for the 'fog' gem to support CloudStack
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
-RUN_DEPENDS=	rubygem-fog-core>=2.1:devel/rubygem-fog-core \
-		rubygem-fog-json>=1.1:devel/rubygem-fog-json \
-		rubygem-fog-xml>=0.1:textproc/rubygem-fog-xml
+RUN_DEPENDS=	rubygem-fog-core>=2.1<3:devel/rubygem-fog-core \
+		rubygem-fog-json>=1.1<2:devel/rubygem-fog-json \
+		rubygem-fog-xml>=0.1<1:textproc/rubygem-fog-xml
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>