--- alexandria-0.6.9/lib/alexandria/ui/dialogs/barcode_animation.rb.goocanvasver	2011-11-19 23:49:44.000000000 +0900
+++ alexandria-0.6.9/lib/alexandria/ui/dialogs/barcode_animation.rb	2013-11-01 19:29:54.745495052 +0900
@@ -20,6 +20,8 @@
 # Boston, MA 02110-1301 USA.
 #++
 
+require 'rubygems'
+gem 'goocanvas', '~> 1.0'
 require 'goocanvas'
 
 module Alexandria