diff --git a/.travis.yml b/.travis.yml
index 92f2c7f..5c2ec9d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,13 +2,11 @@ language: node_js
 node_js:
   - "6"
   - "7"
-os:
-  - linux
+os: linux
 sudo: false
-before_script:
-  - sh -c "git log | head -12"
-script:
-  - npm run coverage
+install: npm install -g yarn && yarn
+before_script: sh -c "git log | head -12"
+script: npm run coverage
 after_success:
   - coveralls < ./coverage/lcov.info
   - CODECLIMATE_REPO_TOKEN=fb038884df12a473bb3cc13c8ef5323227e19c8818327926cde26e89eb7f31cb codeclimate-test-reporter < ./coverage/lcov.info