Index: head/net/rubygem-fog-openstack/Makefile
===================================================================
--- head/net/rubygem-fog-openstack/Makefile	(revision 515034)
+++ head/net/rubygem-fog-openstack/Makefile	(revision 515035)
@@ -1,24 +1,24 @@
 # Created by: Sunpoet Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	fog-openstack
 PORTVERSION=	1.0.10
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Module for the 'fog' gem to support OpenStack clouds
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
-RUN_DEPENDS=	rubygem-fog-core>=2.1:devel/rubygem-fog-core \
+RUN_DEPENDS=	rubygem-fog-core>=2.1<3:devel/rubygem-fog-core \
 		rubygem-fog-json>=1.0:devel/rubygem-fog-json \
 		rubygem-ipaddress>=0.8:net/rubygem-ipaddress
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>