diff --git a/.travis.yml b/.travis.yml
index 92c37c6..8297901 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,6 @@ php:
 
 before_script:
   - curl -s http://getcomposer.org/installer | php
-  - php composer.phar install
+  - php composer.phar install --dev
 
 script: phpunit --coverage-text