diff --git a/.travis.yml b/.travis.yml
index daca3ac..c98ca2d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 5.3
   - 5.4
   - 5.5
+  - 5.6
 
 before_script:
   - composer install --dev