diff --git a/.travis.yml b/.travis.yml
index 91e1d69..04d2137 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - "4"
-  - "5"
+  - "6"
+  - "8"
 env:
   - CXX=g++-4.8
 addons: