Index: head/www/rubygem-chromedriver-helper/Makefile
===================================================================
--- head/www/rubygem-chromedriver-helper/Makefile	(revision 516546)
+++ head/www/rubygem-chromedriver-helper/Makefile	(revision 516547)
@@ -1,26 +1,26 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	chromedriver-helper
 PORTVERSION=	2.1.1
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Easy installation and use of chromedriver
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-RUN_DEPENDS=	rubygem-archive-zip>=0.10:archivers/rubygem-archive-zip \
-		rubygem-nokogiri>=1.8:textproc/rubygem-nokogiri
+RUN_DEPENDS=	rubygem-archive-zip>=0.10<1:archivers/rubygem-archive-zip \
+		rubygem-nokogiri>=1.8<2:textproc/rubygem-nokogiri
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 PLIST_FILES=	bin/chromedriver-helper \
 		bin/chromedriver-update
 
 .include <bsd.port.mk>