diff --git a/.travis.yml b/.travis.yml
index 0d53d2b..c130b0a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,20 @@
 # This file was autogenerated and will overwrite each time you run travis_pypi_setup.py
-env:
-- TOXENV=py35
-- TOXENV=py34
-install: pip install -U tox
 language: python
-python: 3.5
-script: tox -e ${TOXENV}
+matrix:
+  include:
+    - python: 3.4
+      env: TOXENV=py34
+    - python: 3.5
+      env: TOXENV=py35
+    - python: 3.6
+      env: TOXENV=py36
+    - python: 3.7
+      env: TOXENV=py37
+      dist: xenial
+      sudo: true
+    - python: 3.6
+      env: TOXENV=flake8
+install:
+  - pip install -U tox
+script:
+  - tox -e ${TOXENV}
diff --git a/tox.ini b/tox.ini
index 66960ce..d686c61 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py33, py34, py35, py36, flake8
+envlist = py34, py35, py36, py37, flake8
 
 [testenv:flake8]
 basepython=python