diff --git a/.travis.yml b/.travis.yml
index 824bfe50..cf4d4fc7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ sudo: false
 
 cache:
     directories:
-        - $HOME/.composer/cache
+        - $HOME/.composer/cache/files
 
 php:
     - 5.5