diff --git a/.travis.yml b/.travis.yml
index e798fb2..05dba40 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,5 +2,6 @@ language: php
 php: 
   - 5.3
   - 5.4
+  - 5.5
 before_script: composer install
 script: phpunit