diff --git a/.travis.yml b/.travis.yml
index 91720a7ba..f8221c2a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: false
 language: node_js
 node_js:
+  - "5"
   - "6"
 
 cache: