diff --git a/.travis.yml b/.travis.yml
index 7cbb8c4..90e3b5e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: php
 
+dist: trusty
+
 env:
   global:
     - COMPOSER_ROOT_VERSION=5.0.x-dev