diff --git a/.travis.yml b/.travis.yml
index 2ac1b15..9182877 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,12 @@
 sudo: false
 language: node_js
 node_js:
+  - '10'
+  - '9'
   - '8'
   - '7'
   - '6'
   - '5'
-  - '4'
   - 'node'
 deploy:
   provider: npm