Index: www/rubygem-addressable/Makefile
===================================================================
--- www/rubygem-addressable/Makefile
+++ www/rubygem-addressable/Makefile
@@ -12,6 +12,8 @@
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+RUN_DEPENDS+=	rubygem-public_suffix>=2.0.2:dns/rubygem-public_suffix
+
 NO_ARCH=	yes
 USE_RUBY=	yes
 USES=		gem