diff --git a/config/ember-try.js b/config/ember-try.js
index 8000f3138..29c94ef62 100644
--- a/config/ember-try.js
+++ b/config/ember-try.js
@@ -58,6 +58,8 @@ module.exports = {
       npm: {
         devDependencies: {
           'ember-source': '~2.12.0',
+          'ember-native-dom-event-dispatcher': null,
+          'ember-fetch': null,
         },
       },
     },