--- a/components/graphviz/Makefile	Sat Dec 05 08:44:07 2015 -0800
+++ b/components/graphviz/Makefile	Wed Dec 09 15:27:40 2015 -0800
@@ -70,7 +70,7 @@
 $(CONFIGURE_32): CONFIGURE_OPTIONS +=	--enable-ruby=no
 $(CONFIGURE_32): CONFIGURE_OPTIONS +=	--enable-php=no
 $(CONFIGURE_64): CONFIGURE_ENV +=	PERL=$(PERL)
-$(CONFIGURE_64): CONFIGURE_ENV +=	RUBY=$(RUBY.1.9)
+$(CONFIGURE_64): CONFIGURE_ENV +=	RUBY=$(RUBY.2.1)
 $(INSTALL_64): COMPONENT_INSTALL_ARGS += PHP_INSTALL_DIR=$(shell PATH=$(PATH) php-config --extension-dir)
 # tcl ships both 32 and 64 bit, but even though /usr/bin/tclsh is 64-bit, there
 # is no place to stick 64-bit modules, so skip it.  On the other hand, make
@@ -125,7 +125,7 @@
 REQUIRED_PACKAGES += runtime/lua
 REQUIRED_PACKAGES += runtime/ocaml
 REQUIRED_PACKAGES += runtime/perl-520
-REQUIRED_PACKAGES += runtime/ruby-19
+REQUIRED_PACKAGES += runtime/ruby-21
 REQUIRED_PACKAGES += runtime/tk-8
 REQUIRED_PACKAGES += shell/ksh93
 REQUIRED_PACKAGES += system/library