diff --git a/.travis.yml b/.travis.yml
index c1504864..e26e34c9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ addons:
 env:
   - CXX="g++-4.8"
 node_js:
+  - "9"
   - "8"
   - "7"
   - "6"