diff --git a/MANIFEST.in b/MANIFEST.in
index 28f7157e7..8306f824a 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,3 +3,4 @@ include ez_setup.py
 include epydoc-config
 recursive-include examples *.py
 recursive-include tools *.py README.rst validate
+recursive-include test *.py