diff --git a/.travis.yml b/.travis.yml
index 63d14eb..6d70676 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,13 +4,16 @@ os:
   - linux
   - osx
 
+env:
+ - SKIP_DTRACE=1
+
 node_js:
   - '0.10'
   - '0.12'
   - '4'
   - '5'
+  - '6'
   - 'node'
-  - 'iojs'
 
 # Gives us faster boot time, see https://docs.travis-ci.com/user/ci-environment/
 sudo: false