diff --git a/.travis.yml b/.travis.yml
index 95afba7..ada6646 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,9 @@ notifications:
   email: false
 node_js:
   - '4'
+  - '5'
+  - '6'
+  - '7'
 before_install:
   - npm i -g npm@^2.0.0
 before_script: