diff --git a/tox.ini b/tox.ini
index bc6578ac..6d1a134a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,7 +31,7 @@
 
 
 [tox]
-envlist = py27,py32
+envlist = py27,py32,py33
 
 [testenv]
 commands =
@@ -61,3 +61,15 @@ deps =
 #    {distshare}/smartypants-1.6.0.3.zip
 #    {distshare}/typogrify-2.0.0.zip
 #    {distshare}/webassets-0.8.dev.zip
+
+[testenv:py33]
+deps =
+    nose
+    unittest2py3k
+    mock
+    Markdown
+    BeautifulSoup4
+    feedgenerator
+#    {distshare}/smartypants-1.6.0.3.zip
+#    {distshare}/typogrify-2.0.0.zip
+#    {distshare}/webassets-0.8.dev.zip