diff --git a/.travis.yml b/.travis.yml
index 25788ea..54e91fe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
   - 5.5
 
 before_install:
+  - composer install
   - pyrus install pear/PHP_CodeSniffer
   - phpenv rehash