diff --git a/.travis.yml b/.travis.yml
index e190952..a3b30d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,12 @@
-sudo: required
-dist: trusty
+dist: xenial
 language: python
+
+# See aws s3 ls s3://travis-python-archives/binaries/ubuntu/16.04/x86_64/
 python:
   - "nightly"
-  - "pypy-5.3.1"
-  - "3.6-dev"
+  - "pypy3.5"
+  - "pypy2.7-5.10.0"
+  - "3.7"
   - "3.6"
   - "3.5"
   - "3.4"
@@ -35,5 +37,4 @@ script:
 after_succes:
   - codecov
 
-
 # vim: sw=2 ts=2 sts=2