diff --git a/.travis.yml b/.travis.yml
index 8ed3d31..fb81726 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,11 @@ matrix:
 
 sudo: required
 
+dist: trusty
+
+services:
+  - docker
+
 language: python
 
 script: