diff --git a/.travis.yml b/.travis.yml
index ea5262a..e2a6d30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,10 @@ language: php
 php:
   - 5.3
   - 5.4
+  - 5.5
 
 before_script:
-  - curl -s http://getcomposer.org/installer | php
-  - php composer.phar install --dev
+  - composer self-update
+  - composer update
 
 script: phpunit