diff --git a/.travis.yml b/.travis.yml
index 3bc55b5..7469135 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 sudo: false
 language: node_js
 node_js:
- - 'node'
- - '--lts'
+ - '8'
+ - '6'
+ - '4'