diff --git a/.travis.yml b/.travis.yml
index 56df77c..df83040 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,11 +23,15 @@ matrix:
   allow_failures:
     - php: hhvm
 
+services:
+  - mysql
+
 env:
   global:
     # add composer's global bin directory to the path
     # see: https://github.com/drush-ops/drush#install---composer
     - PATH="$PATH:$HOME/.composer/vendor/bin"
+    - export COMPOSER_HOME="$HOME/.composer/"
 
     # Configuration variables.
     - DRUPAL_TI_MODULE_NAME="graphql_api"