diff --git a/tox.ini b/tox.ini
index ad60b9995..d06d56bb4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,10 @@
 [tox]
-envlist = py27, pypy, py33, py34, py35
+envlist = py27, jython, pypy, py33, py34, py35
 
 [testenv]
 basepython =
     py27: {env:TOXPYTHON:python2.7}
+    jython: {env:TOXPYTHON:jython}
     pypy: {env:TOXPYTHON:pypy}
     py33: {env:TOXPYTHON:python3.3}
     py34: {env:TOXPYTHON:python3.4}