diff --git a/MANIFEST.in b/MANIFEST.in
index c5b53f1..f2261e0 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,7 @@
 recursive-include django_downloadview *
 recursive-include demo *.py *.rst *.html *.json *.txt
 recursive-include docs Makefile *.py *.txt
+recursive-include tests *.py
 global-exclude *.pyc
 include AUTHORS
 include CHANGELOG