diff --git a/.travis.yml b/.travis.yml
index 72c68e8..d034516 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: node_js
 sudo: false
 node_js:
-  - "4"
   - "6"
+  - "8"
   - "node"
 notifications:
   irc: "irc.freenode.org#socket.io"