diff --git a/.travis.yml b/.travis.yml
index a779d100..94182c38 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,3 +11,5 @@ env:
   - TOXENV=py26
   - TOXENV=py27
   - TOXENV=py32
+  - TOXENV=py33
+  - TOXENV=py34
diff --git a/tox.ini b/tox.ini
index 1b192deb..b41aaf7e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist=
-    dev, coveralls, pylint, flake8, pep257, py26, py27, py32
+    dev, coveralls, pylint, flake8, pep257, py26, py27, py32, py33, py34
 
 [testenv]
 deps=
@@ -62,3 +62,13 @@ commands=
 basepython=python3.2
 commands=
     unit2 discover tests []
+
+[testenv:py33]
+basepython=python3.3
+commands=
+    unit2 discover tests []
+
+[testenv:py34]
+basepython=python3.4
+commands=
+    unit2 discover tests []