diff --git a/.travis.yml b/.travis.yml
index f7637c8..5428a43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,3 +5,7 @@ php:
   - 5.4
   - 5.3
   - hhvm
+
+# This triggers builds to run on the new TravisCI infrastructure.
+# See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
+sudo: false