diff --git a/.travis.yml b/.travis.yml
index d2a3276fe9ee0197a80e70098694631d11bf0833..f59f943692af1c472cb2348e95862c9e718eb7ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,11 +2,17 @@
 
 sudo: false
 language: python
-python:
-  - "2.7"
-  - "3.4"
-  - "3.5"
-  - "3.6"
+
+matrix:
+  include:
+    - python: 2.7
+    - python: 3.4
+    - python: 3.5
+    - python: 3.6
+    - python: 3.7
+      dist: xenial
+      sudo: true
+      # Per https://github.com/travis-ci/travis-ci/issues/9815#issuecomment-426312699
 
 install:
   - python setup.py install