diff --git a/.travis.yml b/.travis.yml
index c6cf644e..166ac88b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 language: node_js
 sudo: false
 node_js:
+  - '6'
+  - '8'
+  - 'lts/*'
   - 'stable'
 after_script:
   - npm run coveralls