diff --git a/tox.ini b/tox.ini
index e385bfb30..1474cce39 100644
--- a/tox.ini
+++ b/tox.ini
@@ -52,6 +52,10 @@ deps =
     pytest>=2.6.0
     pytest-twisted
 
+[testenv:py34]
+basepython = python3.4
+deps = {[testenv:py33]deps}
+
 [testenv:windows]
 commands =
     bin/runtests.bat []