diff --git a/.appveyor.yml b/.appveyor.yml
index ee524b9..d164111 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -18,6 +18,7 @@ environment:
     - PYTHON: "C:\\Python35-x64"
     - PYTHON: "C:\\Python36"
     - PYTHON: "C:\\Python36-x64"
+    - PYTHON: "C:\\Python37-x64"
 
 install:
   - |
diff --git a/.travis.yml b/.travis.yml
index a732aa3..4758ff0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
+  - "3.7"
   - "nightly"
 install:
   - pip install -U pip tox virtualenv codecov
diff --git a/tox.ini b/tox.ini
index a9f863f..f8ac1b6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = {py27,py34,py35,py36,pypy,flake8}
+envlist = {py27,py34,py35,py36,py37,pypy,flake8}
 skip_missing_interpreters = True
 minversion = 2.4.0