diff --git a/setup.cfg b/setup.cfg
index b6313bd..72a3568 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,7 @@ 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 409e0b5..463fac2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 distribute = False
-envlist = py34,py27,pep8
+envlist = py35,py34,py27,pep8
 
 [testenv]
 deps = -r{toxinidir}/test-requirements.txt