diff --git a/.travis.yml b/.travis.yml
index 4a12f1b1d..c953d8813 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: php
 sudo: false
 
 cache:
-  directory:
+  directories:
     - $HOME/.composer/cache
 
 php: