diff --git a/.travis.yml b/.travis.yml
index 1c681386e01..5eaaec09028 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,6 +36,7 @@ sudo: required
 dist: trusty
 
 cache:
+  yarn: true
   directories:
     - vendor/bundle
 
@@ -46,7 +47,7 @@ before_install:
   - git clone --depth=1 https://github.com/discourse/discourse-cakeday.git plugins/discourse-cakeday
   - git clone --depth=1 https://github.com/discourse/discourse-canned-replies.git plugins/discourse-canned-replies
   - git clone --depth=1 https://github.com/discourse/discourse-slack-official.git plugins/discourse-slack-official
-  - npm i -g eslint babel-eslint
+  - yarn global add eslint babel-eslint
   - eslint app/assets/javascripts
   - eslint --ext .es6 app/assets/javascripts
   - eslint --ext .es6 test/javascripts