diff --git a/tools/plunker-builder/indexHtmlTranslator.js b/tools/plunker-builder/indexHtmlTranslator.js
index cbb8e43b55..a72b656abd 100644
--- a/tools/plunker-builder/indexHtmlTranslator.js
+++ b/tools/plunker-builder/indexHtmlTranslator.js
@@ -33,22 +33,22 @@ var _rxData = [
   {
     pattern: 'script',
     from: 'node_modules/angular2/bundles/angular2.dev.js',
-    to: 'https://code.angularjs.org/2.0.0-alpha.46/angular2.dev.js'
+    to: 'https://code.angularjs.org/2.0.0-alpha.47/angular2.dev.js'
   },
   {
     pattern: 'script',
     from: 'node_modules/angular2/bundles/router.dev.js',
-    to: 'https://code.angularjs.org/2.0.0-alpha.46/router.dev.js'
+    to: 'https://code.angularjs.org/2.0.0-alpha.47/router.dev.js'
   },
   {
     pattern: 'script',
     from: 'node_modules/angular2/bundles/http.dev.js',
-    to: 'https://code.angularjs.org/2.0.0-alpha.46/http.dev.js'
+    to: 'https://code.angularjs.org/2.0.0-alpha.47/http.dev.js'
   },
   {
     pattern: 'script',
     from: 'node_modules/angular2/bundles/testing.js',
-    to: 'https://code.angularjs.org/2.0.0-alpha.46/testing.js'
+    to: 'https://code.angularjs.org/2.0.0-alpha.47/testing.js'
   },
   {
     pattern: 'link',