diff --git a/.travis.yml b/.travis.yml
index f51e1e8..bc7205d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - "node"
-  - "4"
+  - "8.9.0"
+  - "4.3.0"
 install:
   - npm install
 script: