diff --git a/.travis.yml b/.travis.yml
index ff54548..4d9aa5a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,4 +2,6 @@ language: node_js
 node_js: node
 before_install:
   - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
\ No newline at end of file
+  - "sh -e /etc/init.d/xvfb start"
+addons:
+  firefox: '51.0'