diff --git a/.travis.yml b/.travis.yml
index 4360ce5..69b0e3d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 language: php
 
-dist: precise
+sudo: false
 
-sudo: true
+addons:
+  firefox: "47.0.1"
 
 cache:
   directories: