diff --git a/.travis.yml b/.travis.yml
index 29e1fd7..32cb5b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,16 @@
 language: node_js
 node_js:
-- 4
+  - 4
+  - 6 
+  - 7
 before_install:
-- npm install -g npm@3
-- npm config set loglevel error
-- npm config -g list -l
-- npm --version
+  - npm install -g npm@3
+  - npm config set loglevel error
+  - npm config -g list -l
+  - npm --version
 script: npm run-script ci
 cache:
   directories:
-  - node_modules
+    - node_modules
 notifications:
   flowdock: e3dc17bc8a2c1b3412abe3e5747f8291