diff --git a/setup.cfg b/setup.cfg
index 23da73a2e..94b59be70 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,6 +15,7 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3.4
     Topic :: System :: Monitoring
 
 [global]
diff --git a/tox.ini b/tox.ini
index 9d867105e..36fa797b5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py27,pep8
+envlist = py3,py27,pep8
 skipsdist = True
 
 [testenv]