diff --git a/.travis.yml b/.travis.yml
index 42fd8454..e77476e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,5 @@ node_js:
   - "7"
   - "6"
   - "5"
-  - "4"
\ No newline at end of file
+  - "4"
+  - "4.0"
\ No newline at end of file