diff --git a/.travis.yml b/.travis.yml
index 154972d0..4200eef6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ node_js:
   - 8
   - 7
   - 6
+  - 6.0
 cache:
   yarn: true
   directories: