diff --git a/.travis.yml b/.travis.yml
index b30e9d4..4922576 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ node_js:
   - "2.5"
   - "3.3"
   - "4.3"
-  - "5.4"
+  - "5.6"
 sudo: false
 before_install:
   # Setup Node.js version-specific dependencies