diff --git a/addon/components/flash-message.js b/addon/components/flash-message.js
index 93bb223a..fd3ed6b3 100644
--- a/addon/components/flash-message.js
+++ b/addon/components/flash-message.js
@@ -22,6 +22,7 @@ export default Component.extend({
   messageStyle: 'bootstrap',
   classNames: ['flash-message'],
   classNameBindings: ['alertType', 'active', 'exiting'],
+  attributeBindings: ['aria-label', 'aria-describedby', 'role'],
 
   showProgress: readOnly('flash.showProgress'),
   notExiting: not('exiting'),
diff --git a/config/ember-try.js b/config/ember-try.js
index d27c2a40..16480fc3 100644
--- a/config/ember-try.js
+++ b/config/ember-try.js
@@ -75,6 +75,7 @@ module.exports = function() {
         },
         {
           name: 'ember-beta',
+          allowedToFail: true,
           npm: {
             devDependencies: {
               'ember-source': urls[1]