diff --git a/.travis.yml b/.travis.yml
index 35211681..4d697fb5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,5 +2,6 @@ sudo: false
 language: node_js
 node_js:
   - 'stable'
-  - '8'
+  - 'lts/*'
   - '6'
+cache: npm