diff --git a/.travis.yml b/.travis.yml
index 5d874940d2..682bd9f9cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,6 +45,7 @@ before_script:
 php:
   - 5.4
   - 5.5
+  - 5.6
 
 script:
   - bin/developer system:uninstall