diff --git a/.gitignore b/.gitignore
index 5c08b8e0..ad9b77e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.swp
 *.swo
 .ropeproject
+.tox
 *.pyc
 /build/
 /docs/_build/
diff --git a/MANIFEST.in b/MANIFEST.in
index e7cee955..52b12c6d 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,6 @@
 include README.rst
 include LICENSE.txt
 include AUTHORS.txt
+include VERSION
 include jedi/mixin/*.pym
 recursive-exclude * *.pyc
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..4c1826a2
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,8 @@
+[tox]
+envlist = py25, py26, py27, py32
+[testenv]
+commands =
+    python regression.py
+    python run.py
+    python refactor.py
+changedir = test