diff --git a/.travis.yml b/.travis.yml
index 7596159..d65cb4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,5 @@
+sudo: required
+
 language: php
 
 php:
@@ -9,6 +11,9 @@ env:
   global:
     - setup=basic
 
+services:
+  - docker
+
 matrix:
   fast_finish: true
   include:
@@ -17,8 +22,6 @@ matrix:
     - php: 5.6
       env: setup=stable
 
-sudo: false
-
 cache:
   directories:
     - $HOME/.composer/cache