diff --git a/.gitignore b/.gitignore
index 905e09e..cc83ab7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /build
 /django_paypal.egg-info
 *.swp
+.tox
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..8b8881d
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,24 @@
+[tox]
+envlist = py27-django14, py27-django15, py27-django16
+
+[testenv]
+commands = ./runtests.py
+deps =
+
+[testenv:py27-django14]
+basepython = python2.7
+deps =
+     Django==1.4.10
+     {[testenv]deps}
+
+[testenv:py27-django15]
+basepython = python2.7
+deps =
+     Django==1.5.5
+     {[testenv]deps}
+
+[testenv:py27-django16]
+basepython = python2.7
+deps =
+     Django==1.6.1
+     {[testenv]deps}