diff --git a/.travis.yml b/.travis.yml
index 45d5e6a..05eb789 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: node_js
 node_js:
   - "node"
-  - "4"
-  - "5"
   - "6"
   - "7"
+  - "8"
+  - "9"
+  - "10"