diff --git a/.travis.yml b/.travis.yml
index 0f3c6efc2..5c23715f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ php:
     - 5.3
     - 5.4
     - 5.5
+    - 5.6
 
 before_script:
     - COMPOSER_ROOT_VERSION=dev-master composer install --dev --prefer-source