diff --git a/.travis.yml b/.travis.yml
index fe21d0e2..5034e99f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,5 @@ php:
   - 5.3
   - 5.4
 
-before_script: composer install
+before_script: composer install --dev
 script: phpunit -c build/phpunit.xml
\ No newline at end of file