diff --git a/.travis.yml b/.travis.yml
index 75785df..9a7695c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
- - '4'
- - '6'
+ - '8'
+ - node
 after_success: make report-coverage
 sudo: false