diff --git a/setup.cfg b/setup.cfg
index 861cc840d2..6dff41e704 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,8 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index 3f733d34ed..9762af248e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py34,py27,pep8
+envlist = py35,py34,py27,pep8
 minversion = 1.6
 skipsdist = True