diff --git a/.travis.yml b/.travis.yml
index 4f27f38..e57af4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,7 @@ language: node_js
 
 node_js:
     - "stable"
-    - "5"
-    - "4"
+    - "6"
 
 notifications:
     email: false