diff --git a/app/app.js b/app/app.js
index b3bbb3d6..439d816a 100644
--- a/app/app.js
+++ b/app/app.js
@@ -19,12 +19,8 @@ var App = Ember.Application.extend(Ember.Evented, {
   podModulePrefix: config.podModulePrefix,
   Resolver: Resolver,
 
-  lookup() {
-    return this.__container__.lookup.apply(this.__container__, arguments);
-  },
-
   flash(options) {
-    return Travis.lookup('controller:flash').loadFlashes([options]);
+    return Ember.getOwner(Travis).lookup('controller:flash').loadFlashes([options]);
   },
 
   toggleSidebar() {
diff --git a/app/controllers/current-user.js b/app/controllers/current-user.js
index ae063eb5..4f391dd7 100644
--- a/app/controllers/current-user.js
+++ b/app/controllers/current-user.js
@@ -11,7 +11,7 @@ export default Ember.Controller.extend({
     var user;
     if ((user = this.get('model')) && user.get('isSyncing') && !user.get('syncedAt')) {
       return Ember.run.scheduleOnce('routerTransitions', this, function() {
-        return this.container.lookup('router:main').send('renderFirstSync');
+        return Ember.getOwner(this).lookup('router:main').send('renderFirstSync');
       });
     }
   }.observes('isSyncing', 'auth.currentUser')
diff --git a/app/controllers/repos.js b/app/controllers/repos.js
index 2592fa7e..ddf651ae 100644
--- a/app/controllers/repos.js
+++ b/app/controllers/repos.js
@@ -76,7 +76,7 @@ var Controller = Ember.Controller.extend({
   possiblyRedirectToGettingStartedPage() {
     return Ember.run.scheduleOnce('routerTransitions', this, function() {
       if (this.get('tab') === 'owned' && this.get('isLoaded') && this.get('repos.length') === 0) {
-        return this.container.lookup('router:main').send('redirectToGettingStarted');
+        return Ember.getOwner(this).lookup('router:main').send('redirectToGettingStarted');
       }
     });
   },
diff --git a/app/instance-initializers/pusher.js b/app/instance-initializers/pusher.js
index c969ab91..02c95b89 100644
--- a/app/instance-initializers/pusher.js
+++ b/app/instance-initializers/pusher.js
@@ -2,16 +2,15 @@ import config from 'travis/config/environment';
 import TravisPusher from 'travis/utils/pusher';
 var PusherInitializer, initialize;
 
-initialize = function(data) {
-  var application;
-  application = data.application;
+initialize = function(applicationInstance) {
+  const app = applicationInstance.application;
   if (config.pusher.key) {
-    application.pusher = new TravisPusher(config.pusher, data.container.lookup('service:ajax'));
-    application.register('pusher:main', application.pusher, {
+    app.pusher = new TravisPusher(config.pusher, applicationInstance.lookup('service:ajax'));
+    app.register('pusher:main', app.pusher, {
       instantiate: false
     });
-    application.inject('route', 'pusher', 'pusher:main');
-    return application.pusher.store = data.container.lookup('service:store');
+    app.inject('route', 'pusher', 'pusher:main');
+    return app.pusher.store = applicationInstance.lookup('service:store');
   }
 };
 
diff --git a/app/models/broadcast.js b/app/models/broadcast.js
index 19996238..cece1332 100644
--- a/app/models/broadcast.js
+++ b/app/models/broadcast.js
@@ -30,7 +30,7 @@ var Broadcast = Model.extend({
 Broadcast.reopenClass({
   seen: function() {
     var seenBroadcasts;
-    seenBroadcasts = Travis.lookup('service:storage').getItem('travis.seen_broadcasts');
+    seenBroadcasts = Ember.getOwner(Travis).lookup('service:storage').getItem('travis.seen_broadcasts');
     if (seenBroadcasts != null) {
       seenBroadcasts = JSON.parse(seenBroadcasts);
     }
diff --git a/app/router.js b/app/router.js
index 982f9047..6a15f60d 100644
--- a/app/router.js
+++ b/app/router.js
@@ -14,7 +14,7 @@ var Router = Ember.Router.extend({
       // we should probably think about a more general way to
       // do this, location should not know about auth status
       return Location.create({
-        auth: this.container.lookup('service:auth')
+        auth: Ember.getOwner(this).lookup('service:auth')
       });
     }
   }.property(),
diff --git a/app/routes/application.js b/app/routes/application.js
index 02b70a72..e974ebda 100644
--- a/app/routes/application.js
+++ b/app/routes/application.js
@@ -1,6 +1,7 @@
 import TravisRoute from 'travis/routes/basic';
 import config from 'travis/config/environment';
 import BuildFaviconMixin from 'travis/mixins/build-favicon';
+import Ember from 'ember';
 
 export default TravisRoute.extend(BuildFaviconMixin, {
   needsAuth: false,
@@ -99,7 +100,7 @@ export default TravisRoute.extend(BuildFaviconMixin, {
     error(error) {
       var authController;
       if (error === 'needs-auth') {
-        authController = this.container.lookup('controller:auth');
+        authController = Ember.getOwner(this).lookup('controller:auth');
         authController.set('redirected', true);
         return this.transitionTo('auth');
       } else {
diff --git a/app/routes/getting-started.js b/app/routes/getting-started.js
index 14348163..157f7a0b 100644
--- a/app/routes/getting-started.js
+++ b/app/routes/getting-started.js
@@ -1,7 +1,8 @@
 import TravisRoute from 'travis/routes/basic';
+import Ember from 'ember';
 
 export default TravisRoute.extend({
   setupController(controller) {
-    return this.container.lookup('controller:repos').activate('owned');
+    return Ember.getOwner(this).lookup('controller:repos').activate('owned');
   }
 });
diff --git a/app/routes/repo.js b/app/routes/repo.js
index 346e1e59..813d70f0 100644
--- a/app/routes/repo.js
+++ b/app/routes/repo.js
@@ -17,7 +17,7 @@ export default TravisRoute.extend(ScrollResetMixin, {
   },
 
   setupController(controller, model) {
-    this.container.lookup('controller:repos').activate('owned');
+    this.controllerFor('repos').activate('owned');
     if (model && !model.get) {
       model = this.get('store').find('repo', model.id);
     }
diff --git a/app/routes/simple-layout.js b/app/routes/simple-layout.js
index b231c7a4..3f78e323 100644
--- a/app/routes/simple-layout.js
+++ b/app/routes/simple-layout.js
@@ -3,7 +3,7 @@ import TravisRoute from 'travis/routes/basic';
 export default TravisRoute.extend({
   setupController: function() {
     $('body').attr('id', 'simple');
-    this.container.lookup('controller:repos').activate('owned');
+    this.controllerFor('repos').activate('owned');
     return this._super.apply(this, arguments);
   },
   renderTemplate: function() {
diff --git a/app/services/ajax.js b/app/services/ajax.js
index 4f62c57e..420f623e 100644
--- a/app/services/ajax.js
+++ b/app/services/ajax.js
@@ -64,7 +64,7 @@ export default Ember.Service.extend({
     success = options.success || (function() {});
     options.success = (data, status, xhr) => {
       if (data != null ? data.flash : void 0) {
-        Travis.lookup('controller:flash').loadFlashes(data.flash);
+        Ember.getOwner(Travis).lookup('controller:flash').loadFlashes(data.flash);
       }
       if (data != null) {
         delete data.flash;
@@ -75,7 +75,7 @@ export default Ember.Service.extend({
     options.error = (data, status, xhr) => {
       console.log("[ERROR] API responded with an error (" + status + "): " + (JSON.stringify(data)));
       if (data != null ? data.flash : void 0) {
-        Travis.lookup('controller:flash').pushObject(data.flash);
+        Ember.getOwner(Travis).lookup('controller:flash').pushObject(data.flash);
       }
       if (data != null) {
         delete data.flash;
diff --git a/app/services/auth.js b/app/services/auth.js
index fa74fb06..ffdfced7 100644
--- a/app/services/auth.js
+++ b/app/services/auth.js
@@ -214,7 +214,7 @@ export default Ember.Service.extend({
     //         as a direct response to either manual sign in or autoSignIn (right now
     //         we treat both cases behave the same in terms of sent events which I think
     //         makes it more complicated than it should be).
-    router = this.container.lookup('router:main');
+    router = Ember.getOwner(this).lookup('router:main');
     try {
       return router.send(name);
     } catch (error1) {
diff --git a/app/utils/urls.js b/app/utils/urls.js
index 425b3107..4d793c44 100644
--- a/app/utils/urls.js
+++ b/app/utils/urls.js
@@ -1,4 +1,6 @@
 import config from 'travis/config/environment';
+import Ember from 'ember';
+
 var ccXml, email, githubAdmin, githubCommit, githubNetwork, githubPullRequest,
     githubRepo, githubWatchers, gravatarImage, plainTextLog, statusImage;
 
@@ -33,7 +35,7 @@ githubAdmin = function(slug) {
 statusImage = function(slug, branch) {
   var token;
   if (config.pro) {
-    token = Travis.__container__.lookup('controller:currentUser').get('model.token');
+    token = Ember.getOwner(Travis).lookup('controller:currentUser').get('model.token');
     return (location.protocol + "//" + location.host + "/" + slug + ".svg?token=" + token) + (branch ? "&branch=" + branch : '');
   } else {
     return (location.protocol + "//" + location.host + "/" + slug + ".svg") + (branch ? "?branch=" + (encodeURIComponent(branch)) : '');
@@ -48,7 +50,7 @@ ccXml = function(slug, branch) {
   }
   if (config.pro) {
     delimiter = url.indexOf('?') === -1 ? '?' : '&';
-    token = Travis.__container__.lookup('controller:currentUser').get('model.token');
+    token = Ember.getOwner(Travis).lookup('controller:currentUser').get('model.token');
     url = "" + url + delimiter + "token=" + token;
   }
   return url;
diff --git a/bower.json b/bower.json
index b18cab6c..ed121b70 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "travis",
   "dependencies": {
-    "ember": "2.2.1",
+    "ember": "2.4.5",
     "ember-cli-shims": "0.1.1",
     "ember-cli-test-loader": "0.2.2",
     "ember-load-initializers": "0.1.7",
@@ -22,7 +22,6 @@
     "ceibo": "1.0.0"
   },
   "resolutions": {
-    "ember": "2.2.1",
-    "ember-qunit-notifications": "0.1.0"
+    "ember": "2.4.5"
   }
 }
diff --git a/config/deprecation-workflow.js b/config/deprecation-workflow.js
index 5cb3ada9..ce51d75e 100644
--- a/config/deprecation-workflow.js
+++ b/config/deprecation-workflow.js
@@ -1,30 +1,4 @@
 window.deprecationWorkflow = window.deprecationWorkflow || {};
 window.deprecationWorkflow.config = {
-  workflow: [
-    // DONE
-    { handler: "log", matchMessage: "Ember.LinkView is deprecated. Please use Ember.LinkComponent." },
-    { handler: "log", matchMessage: "Calling store.find() with a query object is deprecated. Use store.query() instead." },
-    { handler: "log", matchMessage: new RegExp("A property of .*? was modified inside the didInsertElement hook. You should never change properties on components, services or models during didInsertElement because it causes significant performance degradation.") },
-    { handler: "log", matchMessage: "Ember.arrayComputed is deprecated. Replace it with plain array methods" },
-    // this will still emit deprecations, because we use state property in
-    // request-icon compoenent, that makes Ember.js think that we're using
-    // internal component's state
-    { handler: "log", matchMessage: "Usage of `state` is deprecated, use `_state` instead." },
-    { handler: "log", matchMessage: "RestAdapter#find has been deprecated and renamed to `findRecord`." },
-    { handler: "log", matchMessage: "Usage of `typeKey` has been deprecated and will be removed in Ember Data 2.0. It has been replaced by `modelName` on the model class." },
-    { handler: "log", matchMessage: "Using store.dematerializeRecord() has been deprecated since it was intended for private use only. You should use store.unloadRecord() instead." },
-    { handler: "log", matchMessage: "Using the same function as getter and setter is deprecated." },
-    { handler: "log", matchMessage: "`Ember.ArrayController` is deprecated." },
-    { handler: "log", matchMessage: "The default behavior of `shouldBackgroundReloadRecord` will change in Ember Data 2.0 to always return true. If you would like to preserve the current behavior please override `shouldBackgroundReloadRecord` in your adapter:application and return false." },
-    { handler: "log", matchMessage: "Function#observesBefore is deprecated and will be removed in the near future." },
-    { handler: "log", matchMessage: "Ember.addBeforeObserver is deprecated and will be removed in the near future." },
-    { handler: "log", matchMessage: "Ember.removeBeforeObserver is deprecated and will be removed in the near future." },
-    { handler: "log", matchMessage: "Using DS.Snapshot.get() is deprecated. Use .attr(), .belongsTo() or .hasMany() instead." },
-    { handler: "log", matchMessage: "The filter API will be moved into a plugin soon. To enable store.filter using an environment flag, or to use an alternative, you can visit the ember-data-filter addon page" },
-    { handler: "log", matchMessage: "Ember.View is deprecated. Consult the Deprecations Guide for a migration strategy." },
-
-    // TODO
-    { handler: "silence", matchMessage: "Using `ApplicationInstance.container.lookup` is deprecated. Please use `ApplicationInstance.lookup` instead." },
-    { handler: "silence", matchMessage: new RegExp("the component:.*? test module is implicitly running in unit test mode, which will change to integration test mode by default in an upcoming version of ember-test-helpers. Add `unit: true` or a `needs:[]` list to explicitly opt in to unit test mode.") },
-  ]
+  workflow: []
 };
diff --git a/package.json b/package.json
index 557cf796..2b89d43f 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "ember-cli-babel": "^5.1.6",
     "ember-cli-dependency-checker": "^1.2.0",
     "ember-cli-deprecation-workflow": "0.1.6",
-    "ember-cli-document-title": "0.2.0",
+    "ember-cli-document-title": "0.3.1",
     "ember-cli-htmlbars": "^1.0.3",
     "ember-cli-htmlbars-inline-precompile": "^0.3.1",
     "ember-cli-inject-live-reload": "^1.4.0",
@@ -48,6 +48,7 @@
     "ember-disable-proxy-controllers": "^1.0.1",
     "ember-export-application-global": "^1.0.5",
     "ember-load-initializers": "^0.5.1",
+    "ember-getowner-polyfill": "1.0.1",
     "ember-resolver": "^2.0.3",
     "ember-try": "0.0.7",
     "emberx-select": "2.0.2",
diff --git a/tests/integration/components/add-env-var-test.js b/tests/integration/components/add-env-var-test.js
index 4b0bb79e..deb15c16 100644
--- a/tests/integration/components/add-env-var-test.js
+++ b/tests/integration/components/add-env-var-test.js
@@ -4,7 +4,6 @@ import hbs from 'htmlbars-inline-precompile';
 import fillIn from '../../helpers/fill-in';
 import DS from 'ember-data';
 
-
 moduleForComponent('add-env-var', 'Integration | Component | add env-var', {
   integration: true
 });
@@ -14,7 +13,7 @@ test('it adds an env var on submit', function(assert) {
 
   // this shouldn't be needed, probably some bug in tests setup with new ember-data
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
   assert.equal(store.peekAll('envVar').get('length'), 0, 'precond: store should be empty');
 
   var repo;
@@ -66,7 +65,7 @@ test('it adds a public env var on submit', function(assert) {
   assert.expect(6);
 
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
   assert.equal(store.peekAll('envVar').get('length'), 0, 'precond: store should be empty');
 
   var repo;
diff --git a/tests/integration/components/add-ssh-key-test.js b/tests/integration/components/add-ssh-key-test.js
index d221a234..d10e7891 100644
--- a/tests/integration/components/add-ssh-key-test.js
+++ b/tests/integration/components/add-ssh-key-test.js
@@ -12,7 +12,7 @@ test('it adds an ssh key on submit', function(assert) {
   assert.expect(6);
 
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var repo;
   Ember.run(function() {
@@ -47,7 +47,7 @@ test('it throws an error if value for ssh key is blank', function(assert) {
   assert.expect(5);
 
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var repo;
   Ember.run(function() {
diff --git a/tests/integration/components/env-var-test.js b/tests/integration/components/env-var-test.js
index 9b8ed0c2..2c57ea49 100644
--- a/tests/integration/components/env-var-test.js
+++ b/tests/integration/components/env-var-test.js
@@ -4,7 +4,6 @@ import hbs from 'htmlbars-inline-precompile';
 import fillIn from '../../helpers/fill-in';
 import DS from 'ember-data';
 
-
 moduleForComponent('env-var', 'Integration | Component | env-var', {
   integration: true
 });
@@ -13,7 +12,7 @@ test('it renders an env-var with private value', function(assert) {
   assert.expect(2);
 
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
   Ember.run(() => {
     var envVar = store.push({data: { id: 1, type: 'env-var', attributes: { name: 'foo', value: 'bar', public: false}}});
     this.set('envVar', envVar);
@@ -30,7 +29,7 @@ test('it renders an env-var with public value', function(assert) {
   assert.expect(2);
 
   this.registry.register('transform:boolean', DS.BooleanTransform);
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
   Ember.run(() => {
     var envVar = store.push({data: { id: 1, type: 'env-var', attributes: { name: 'foo', value: 'bar', public: true}}});
     this.set('envVar', envVar);
diff --git a/tests/integration/components/ssh-key-test.js b/tests/integration/components/ssh-key-test.js
index ffb52fc1..223b31b5 100644
--- a/tests/integration/components/ssh-key-test.js
+++ b/tests/integration/components/ssh-key-test.js
@@ -3,7 +3,6 @@ import { moduleForComponent, test } from 'ember-qunit';
 import hbs from 'htmlbars-inline-precompile';
 import fillIn from '../../helpers/fill-in';
 
-
 moduleForComponent('ssh-key', 'Integration | Component | ssh-key', {
   integration: true
 });
@@ -11,7 +10,7 @@ moduleForComponent('ssh-key', 'Integration | Component | ssh-key', {
 test('it renders the default ssh key if no custom key is set', function(assert) {
   assert.expect(2);
 
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var key = Ember.Object.create({fingerprint: 'fingerprint'});
   this.set('key', key);
@@ -25,7 +24,7 @@ test('it renders the default ssh key if no custom key is set', function(assert)
 test('it renders the custom ssh key if custom key is set', function(assert) {
   assert.expect(2);
 
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var key;
   Ember.run(function() {
@@ -44,7 +43,7 @@ test('it renders the custom ssh key if custom key is set', function(assert) {
 test('it deletes a custom key if permissions are right', function(assert) {
   assert.expect(1);
 
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var key;
   Ember.run(function() {
@@ -67,7 +66,7 @@ test('it deletes a custom key if permissions are right', function(assert) {
 test('it does not delete the custom key if permissions are insufficient', function(assert) {
   assert.expect(1);
 
-  var store = this.container.lookup('service:store');
+  var store = Ember.getOwner(this).lookup('service:store');
 
   var key;
   Ember.run(function() {