diff --git a/.travis.yml b/.travis.yml
index a3a842a398..9bd28a739d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -84,3 +84,6 @@ matrix:
   include:
     - php: 5.5
       env: PHPUNIT_ARGS="--group selenium" SELENIUM="yes"
+cache:
+  directories:
+    - $HOME/.composer/cache/