diff --git a/.travis.yml b/.travis.yml
index 53320fd0c..a0707ec20 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ node_js:
   - 10
 sudo: required
 addons:
+  firefox: latest
   apt:
     packages:
     - google-chrome-stable