diff --git a/setup.cfg b/setup.cfg
index d3d9ce7f5..e1971f3ca 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,7 @@ classifier =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index 88a7692a5..0716a3cee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py34,py27,docs
+envlist = pep8,py35,py34,py27,docs
 
 [testenv]
 install_command = pip install -U {opts} {packages}