diff --git a/.travis.yml b/.travis.yml
index 75785df..e7f1565 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
- - '4'
- - '6'
+ - 6
+ - node
 after_success: make report-coverage
 sudo: false