diff --git a/.travis.yml b/.travis.yml
index de6a3ea..66d5466 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,6 @@ matrix:
     - python: "3.6"
     - python: "pypy3"
     - python: "3.7"
+      dist: xenial
     - python: "3.8-dev"
       dist: xenial
-      sudo: true