diff --git a/.travis.yml b/.travis.yml
index bb59a18623..5bf3208a6e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -44,6 +44,7 @@ php:
   - 5.3
   - 5.4
   - 5.5
+  - 5.6
 
 script:
   - bin/developer system:uninstall