--- a/demo.html	Fri Jan 04 17:28:44 2013 +0900
+++ b/demo.html	Thu Mar 21 15:30:18 2013 +0900
@@ -5,7 +5,7 @@
     <link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css" rel="stylesheet">
     
     <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
-    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.2/underscore-min.js"></script>
+    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.4/underscore-min.js"></script>
     <script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.2/backbone-min.js"></script>
     
     <script src="backbone.shard.js"></script>

--- a/test/index.html	Fri Jan 04 17:28:44 2013 +0900
+++ b/test/index.html	Thu Mar 21 15:30:18 2013 +0900
@@ -5,7 +5,7 @@
     <link rel="stylesheet" href="http://code.jquery.com/qunit/qunit-1.10.0.css" type="text/css" media="screen">
     <script src="http://code.jquery.com/qunit/qunit-1.10.0.js"></script>
     
-    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.2/underscore-min.js"></script>
+    <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.4/underscore-min.js"></script>
     <script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.2/backbone-min.js"></script>
     
     <script src="../backbone.shard.js"></script>