diff --git a/.gitignore b/.gitignore
index 6ffac1c4..e52c4397 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.pyc
 *.egg-info
 .coverage
+.tox
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..2c4f5eb4
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,9 @@
+[tox]
+envlist = py32
+[testenv]
+deps=
+    PyPNG
+    git+git://github.com/dag/attest.git
+commands=attest -r plain --native-assert weasy.tests
+changedir={toxworkdir}
+sitepackages=True