diff --git a/.travis.yml b/.travis.yml
index 5bcad1fc..273e6b39 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,8 @@
 # of patent rights can be found in the PATENTS file in the same directory.
 
 language: node_js
+node_js:
+  - "8"
 
 install:
 - cd website