diff --git a/index.html b/index.html
index 052f4d2..cb35292 100644
--- a/index.html
+++ b/index.html
@@ -15,11 +15,11 @@
 
 <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.35.0/es6-shim.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.20/system-polyfills.js"></script>
-<script src="https://npmcdn.com/angular2@2.0.0-beta.13/es6/dev/src/testing/shims_for_IE.js"></script>
+<script src="https://unpkg.com/angular2@2.0.0-beta.13/es6/dev/src/testing/shims_for_IE.js"></script>
 
 <script src="https://code.angularjs.org/2.0.0-beta.13/angular2-polyfills.js"></script>
 <script src="https://code.angularjs.org/tools/system.js"></script>
-<script src="https://npmcdn.com/typescript@1.8.9/lib/typescript.js"></script>
+<script src="https://unpkg.com/typescript@1.8.9/lib/typescript.js"></script>
 <script src="https://code.angularjs.org/2.0.0-beta.13/Rx.js"></script>
 <script src="https://code.angularjs.org/2.0.0-beta.13/angular2.dev.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/2.0.0-beta.13/router.dev.js"></script>