diff --git a/.travis.yml b/.travis.yml
index d4619bb..fcffd6e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,11 @@
+sudo: false
+
 language: node_js
+
 node_js:
-  - '6'
-  - '5'
-  - '4'
+  - 4
+  - 5
+  - 6
+
+script:
+  - npm test