Update node versions for travis

zodern · zodern · commit 83d9d0a4f2aa · 2018-02-08T10:58:41.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ sudo: required
 language: node_js
 node_js:
   - "4"
-  - "6"
+  - "8"
 
 env:
   - TEST_PLUGIN='default'
