diff --git a/.travis.yml b/.travis.yml
index 175ba35..01d0488 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,12 @@ php:
 
 sudo: false
 
-before_install:
-  - composer install
+cache:
+  directories:
+  - $HOME/.composer/cache/files
+
+install:
+  - composer install --prefer-dist
 
 script:
   - composer run check