diff --git a/.travis.yml b/.travis.yml
index 0765bd7b..f96b45de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,15 @@ sudo: false
 language: node_js
 node_js:
 - '6'
-- '5'
 - '4'
+matrix:
+  fast_finish: true
+branches:
+  only:
+    - master
+notifications:
+  email:
+    on_success: never
 cache:
   directories:
   - node_modules