diff --git a/README.md b/README.md
index 254f7e1f6be59db4daeb82217e2f923a8118bbc3..7d8e21a598ad3bbdae30785997a6d1d559a8c306 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ backlog for features that would be nice to have in this library.
 
 ## Requirements
 
-* Python 2.6, 2.7, 3.4-3.6
+* Python 2.6, 2.7, 3.4+
 * For Kerberos auth [python-gssapi](https://github.com/pythongssapi/python-gssapi)
 
 To use Kerberos authentication, further dependencies are required, to install
diff --git a/setup.py b/setup.py
index c35b29c29fe91af8f636832f626784eba1fee6fe..eec8526cd7932e9147d7f555f4654f7a6b4ddba9 100644
--- a/setup.py
+++ b/setup.py
@@ -48,5 +48,6 @@ setup(
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
 )
diff --git a/tox.ini b/tox.ini
index ddd4c198a4ebabc26a75be1073f241f46ed8872a..effbe86b2f2cc3f151d7e464a11577f7f601f599 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py26,py27,py34,py35,py36
+envlist = py26,py27,py34,py35,py36,py37
 
 [testenv]
 deps= -rrequirements-test.txt