diff --git a/.travis.yml b/.travis.yml
index fb2f6214c..0c886cf8c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: node_js
 node_js:
   - "8"
+  - "9"
 cache:
   directories:
     - node_modules