diff --git a/.travis.yml b/.travis.yml
index f6797a5..dca9518 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ php:
 
 before_script:
   - wget -nc http://getcomposer.org/composer.phar
-  - php composer.phar install
+  - php composer.phar install --dev
 
 script: phpunit