diff --git a/.travis.yml b/.travis.yml
index 07ca51d..f604016 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,11 @@ language: php
 php:
   - 5.3
   - 5.4
+  - 5.5
+  - 5.6
 
 before_script:
   - wget http://getcomposer.org/composer.phar
   - php composer.phar install
 
-script: phpunit --configuration tests/phpunit.xml
\ No newline at end of file
+script: phpunit --configuration tests/phpunit.xml