diff --git a/tox.ini b/tox.ini
index c313f00..8e20d47 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py33
+envlist = py27,py33,py34
 
 [testenv]
 commands = py.test
@@ -12,3 +12,7 @@ deps =
 [testenv:py33]
 deps =
     pytest
+
+[testenv:py34]
+deps =
+    pytest