diff --git a/.travis.yml b/.travis.yml
index 7b61a2f0..95b52af3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,5 @@ before_install:
   - "sh -e /etc/init.d/xvfb start"
 script: npm test
 sudo: false
+addons:
+  firefox: "49.0"
\ No newline at end of file