diff --git a/tox.ini b/tox.ini
index ceb42b6d..24155a9a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = docs, py26, py27, pypy, py33
+envlist = docs, py26, py27, pypy, py33, py34
 
 [testenv]
 deps = blinker