diff --git a/MANIFEST.in b/MANIFEST.in
index e0f4b242..87929f70 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,7 +2,7 @@ include AUTHORS
 include ChangeLog
 include LICENSE
 include README.rst
-include tox.ini
+include tox.ini .testr.conf
 recursive-include tests *
 recursive-include tools *
 recursive-include doc *