diff --git a/graphics/ruby-libart/Makefile b/graphics/ruby-libart/Makefile
index 0ae709723798..6fd1945da314 100644
--- a/graphics/ruby-libart/Makefile
+++ b/graphics/ruby-libart/Makefile
@@ -17,7 +17,9 @@ DIST_SUBDIR=	ruby
 MAINTAINER=	knu@FreeBSD.org
 COMMENT=	Ruby binding for libart
 
-LIB_DEPENDS=	art_lgpl.5:${PORTSDIR}/graphics/libart
+LIB_DEPENDS=	art_lgpl.5:${PORTSDIR}/graphics/libart \
+		jpeg.9:${PORTSDIR}/graphics/jpeg \
+		png.5:${PORTSDIR}/graphics/png
 
 USE_RUBY=	yes
 USE_RUBY_EXTCONF=	yes
diff --git a/graphics/ruby-libart2/Makefile b/graphics/ruby-libart2/Makefile
index 48bc6bd53f0c..f1adc1d43b8f 100644
--- a/graphics/ruby-libart2/Makefile
+++ b/graphics/ruby-libart2/Makefile
@@ -17,7 +17,9 @@ DIST_SUBDIR=	ruby
 MAINTAINER=	knu@FreeBSD.org
 COMMENT=	Ruby binding for Libart2
 
-LIB_DEPENDS=	art_lgpl_2.5:${PORTSDIR}/graphics/libart_lgpl2
+LIB_DEPENDS=	art_lgpl_2.5:${PORTSDIR}/graphics/libart_lgpl2 \
+		jpeg.9:${PORTSDIR}/graphics/jpeg \
+		png.5:${PORTSDIR}/graphics/png
 
 USE_RUBY=	yes
 USE_RUBY_EXTCONF=	yes