diff --git a/modules/playground/src/bootstrap.ts b/modules/playground/src/bootstrap.ts
index d92f342d25..3ba869ab6e 100644
--- a/modules/playground/src/bootstrap.ts
+++ b/modules/playground/src/bootstrap.ts
@@ -59,7 +59,8 @@ declare var System: any;
           '@angular/router': {main: 'index.js', defaultExtension: 'js'},
           '@angular/common': {main: 'index.js', defaultExtension: 'js'},
           '@angular/platform-browser': {main: 'index.js', defaultExtension: 'js'},
-          '@angular/platform-browser-dynamic': {main: 'index.js', defaultExtension: 'js'}
+          '@angular/platform-browser-dynamic': {main: 'index.js', defaultExtension: 'js'},
+          '@angular/upgrade': {main: 'index.js', defaultExtension: 'js'}
           // 'rxjs': {
           //   defaultExtension: 'js'
           // }