diff --git a/devel/ruby-rbbr/Makefile b/devel/ruby-rbbr/Makefile
index bceb7b25827d..52bf80ab8e25 100644
--- a/devel/ruby-rbbr/Makefile
+++ b/devel/ruby-rbbr/Makefile
@@ -14,7 +14,7 @@ MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	A GTK+2-based Ruby module browser
 
 BUILD_DEPENDS=	rubygem-gettext>0:${PORTSDIR}/devel/rubygem-gettext
-RUN_DEPENDS=	${RUBY_SITEARCHLIBDIR}/gtk2.so:${PORTSDIR}/x11-toolkits/ruby-gtk2 \
+RUN_DEPENDS=	rubygem-gtk2>0:${PORTSDIR}/x11-toolkits/rubygem-gtk2 \
 		rubygem-gettext>0:${PORTSDIR}/devel/rubygem-gettext
 
 USES=		gettext
diff --git a/japanese/gedy/Makefile b/japanese/gedy/Makefile
index ea2dc3b0ac7c..6189f66e95a8 100644
--- a/japanese/gedy/Makefile
+++ b/japanese/gedy/Makefile
@@ -15,7 +15,7 @@ COMMENT=	GNOME Edy Viewer
 
 LICENSE=	GPLv2
 
-RUN_DEPENDS=	${RUBY_SITEARCHLIBDIR}/gtk2.so:${PORTSDIR}/x11-toolkits/ruby-gtk2 \
+RUN_DEPENDS=	rubygem-gtk2>0:${PORTSDIR}/x11-toolkits/rubygem-gtk2 \
 		${RUBY_SITEARCHLIBDIR}/pasori.so:${PORTSDIR}/devel/libpafe-ruby
 
 USE_RUBY=		yes
diff --git a/japanese/gsuica/Makefile b/japanese/gsuica/Makefile
index 4a2aca2d0083..27a77cbd89ce 100644
--- a/japanese/gsuica/Makefile
+++ b/japanese/gsuica/Makefile
@@ -15,7 +15,7 @@ COMMENT=	GNOME SUICA Viewer
 
 LICENSE=	GPLv2
 
-RUN_DEPENDS=	${RUBY_SITEARCHLIBDIR}/gtk2.so:${PORTSDIR}/x11-toolkits/ruby-gtk2 \
+RUN_DEPENDS=	rubygem-gtk2>0:${PORTSDIR}/x11-toolkits/rubygem-gtk2 \
 		${RUBY_SITEARCHLIBDIR}/pasori.so:${PORTSDIR}/devel/libpafe-ruby
 
 USE_RUBY=	yes
diff --git a/japanese/tomoe/Makefile b/japanese/tomoe/Makefile
index 4049fb17a98d..50932c784e6f 100644
--- a/japanese/tomoe/Makefile
+++ b/japanese/tomoe/Makefile
@@ -19,9 +19,9 @@ USE_LDCONFIG=	yes
 USE_RUBY=	yes
 USE_PERL5=	build
 
-BUILD_DEPENDS+=	${RUBY_SITEARCHLIBDIR}/glib2.so:${PORTSDIR}/devel/ruby-glib2 \
+BUILD_DEPENDS+=	rubygem-glib2>0:${PORTSDIR}/devel/rubygem-glib2 \
 		p5-XML-Parser>=0:${PORTSDIR}/textproc/p5-XML-Parser
-RUN_DEPENDS+=	${RUBY_SITEARCHLIBDIR}/glib2.so:${PORTSDIR}/devel/ruby-glib2
+RUN_DEPENDS+=	rubygem-glib2>0:${PORTSDIR}/devel/rubygem-glib2
 
 # We cannot use ${ARCH} nor ${UNAME} which are defined in bsd.port.mk, here.
 UNAME?=		/usr/bin/uname
diff --git a/mail/milter-manager/Makefile b/mail/milter-manager/Makefile
index a0975fe7422a..b6504b229126 100644
--- a/mail/milter-manager/Makefile
+++ b/mail/milter-manager/Makefile
@@ -12,9 +12,9 @@ COMMENT=	A super milter that can invoke several milters selectively
 LICENSE=	AGPLv3 GFDL GPLv3 LGPL3
 LICENSE_COMB=	multi
 
-BUILD_DEPENDS=	${RUBY_SITEARCHLIBDIR}/glib2.so:${PORTSDIR}/devel/ruby-glib2
+BUILD_DEPENDS=	rubygem-glib2>0:${PORTSDIR}/devel/rubygem-glib2
 LIB_DEPENDS=	ev:${PORTSDIR}/devel/libev
-RUN_DEPENDS=	${RUBY_SITEARCHLIBDIR}/glib2.so:${PORTSDIR}/devel/ruby-glib2
+RUN_DEPENDS=	rubygem-glib2>0:${PORTSDIR}/devel/rubygem-glib2
 
 USE_RC_SUBR=	milter-manager
 GNU_CONFIGURE=	yes
diff --git a/science/ruby-dcl/Makefile b/science/ruby-dcl/Makefile
index 2a83055e6239..cd5340a5dc28 100644
--- a/science/ruby-dcl/Makefile
+++ b/science/ruby-dcl/Makefile
@@ -21,8 +21,8 @@ BUILD_DEPENDS=	${RUBY_SITEARCHLIBDIR}/narray.so:${PORTSDIR}/math/ruby-narray \
 		${LOCALBASE}/lib/libcdcl.so:${PORTSDIR}/science/cdcl
 RUN_DEPENDS=	${LOCALBASE}/lib/libcdcl.so:${PORTSDIR}/science/cdcl \
 		${RUBY_SITEARCHLIBDIR}/narray.so:${PORTSDIR}/math/ruby-narray \
-		${RUBY_SITEARCHLIBDIR}/gdk_pixbuf2.so:${PORTSDIR}/graphics/ruby-gdk_pixbuf2 \
-		${RUBY_SITEARCHLIBDIR}/gtk2.so:${PORTSDIR}/x11-toolkits/ruby-gtk2
+		rubygem-gdk_pixbuf2>0:${PORTSDIR}/graphics/rubygem-gdk_pixbuf2 \
+		rubygem-gtk2>0:${PORTSDIR}/x11-toolkits/rubygem-gtk2
 
 USE_RUBY=	yes
 USE_RUBY_EXTCONF=	yes