diff --git a/devel/rubygem-solve/Makefile b/devel/rubygem-solve/Makefile
index 9b5b9108afab..68fe57a06629 100644
--- a/devel/rubygem-solve/Makefile
+++ b/devel/rubygem-solve/Makefile
@@ -1,21 +1,21 @@
 # Created by: Ryan Steinmetz <zi@FreeBSD.org>
 
 PORTNAME=	solve
 PORTVERSION=	4.0.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Ruby version constraint solver
 
 LICENSE=	APACHE20
 
-RUN_DEPENDS=	rubygem-molinillo>=0.6:devel/rubygem-molinillo \
+RUN_DEPENDS=	rubygem-molinillo>=0.6<1:devel/rubygem-molinillo \
 		rubygem-semverse>=1.1<4.0:devel/rubygem-semverse
 
 USES=		gem
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>