diff --git a/.travis.yml b/.travis.yml
index f55f9cbf2..0a461f0e8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: php
 php:
   - 5.5
   - 5.4
+  - 5.6
   - hhvm
 
 install: composer install --dev