diff --git a/.travis.yml b/.travis.yml
index 66d5466..74f0fbb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,10 @@ matrix:
     - python: "3.4"
     - python: "3.5"
     - python: "3.6"
-    - python: "pypy3"
     - python: "3.7"
       dist: xenial
+      sudo: true
     - python: "3.8-dev"
       dist: xenial
+      sudo: true
+    - python: "pypy3"