diff --git a/lib/tasks/reset.js b/lib/tasks/reset.js
index 82ab8971..82a6edee 100644
--- a/lib/tasks/reset.js
+++ b/lib/tasks/reset.js
@@ -1,8 +1,8 @@
 'use strict';
-var Task            = require('ember-cli/lib/models/task');
+var CoreObject      = require('core-object');
 var BowerHelpers    = require('../utils/bower-helpers');
 
-module.exports = Task.extend({
+module.exports = CoreObject.extend({
   run: function(){
     return BowerHelpers.cleanup(this.project.root);
   }
diff --git a/lib/tasks/testall.js b/lib/tasks/testall.js
index d5a37c81..ea4aaca5 100644
--- a/lib/tasks/testall.js
+++ b/lib/tasks/testall.js
@@ -1,5 +1,5 @@
 'use strict';
-var Task            = require('ember-cli/lib/models/task');
+var CoreObject      = require('core-object');
 var RSVP            = require('rsvp');
 var mapSeries       = require('promise-map-series');
 var chalk           = require('chalk');
@@ -7,7 +7,7 @@ var ScenarioManager = require('../utils/scenario-manager');
 var BowerHelpers    = require('../utils/bower-helpers');
 var run             = require('../utils/run');
 
-module.exports = Task.extend({
+module.exports = CoreObject.extend({
   run: function(options){
     var task = this;
     var scenarios = this.config.scenarios;
diff --git a/lib/tasks/try.js b/lib/tasks/try.js
index 01b5a27c..8742ed5c 100644
--- a/lib/tasks/try.js
+++ b/lib/tasks/try.js
@@ -1,11 +1,11 @@
 'use strict';
-var Task            = require('ember-cli/lib/models/task');
+var CoreObject      = require('core-object');
 var RSVP            = require('rsvp');
 var ScenarioManager = require('../utils/scenario-manager');
 var run             = require('../utils/run');
 var BowerHelpers    = require('../utils/bower-helpers');
 
-module.exports = Task.extend({
+module.exports = CoreObject.extend({
   run: function(scenario, commandName){
     var task = this;