test on Node v6.x instead of v5.x

Node v5.x is no longer maintained. https://github.com/nodejs/LTS/blob/04bef1213ad42e00662624704bd3e534b3d084ca/README.md#lts-schedule
deoxxa · Jun 19, 2016 · 0e0118a · 0e0118a
1 parent 7d008c1
commit 0e0118a
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 sudo: false
 language: node_js
 node_js:
-  - "0.10"
-  - "0.12"
-  - "4"
-  - "5"
+  - '6'
+  - '4'
+  - '0.12'
+  - '0.10'