diff --git a/.travis.yml b/.travis.yml
index 8d88536..add91db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: php
 php:
   - 5.4
   - 5.5
+  - 5.6
 
 before_script:
   - composer self-update