diff --git a/.travis.yml b/.travis.yml
index df85fd99..4eb9321d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,4 +7,6 @@ php:
   - 5.5
   
 before_script:
-  - composer install
+  - composer --prefer-source install
+
+script: phpunit --coverage-text --verbose