diff --git a/MANIFEST.in b/MANIFEST.in
index f8d659de79fd87c56f01e47e35949478828a145d..7e877d8ac59d89a3ea540ee0bc0dbc89dbcdbb73 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
 include LICENSE README.rst buildout.cfg develop.cfg version.txt requirements.txt test-requirements.txt
 recursive-include doc *.py *.rst
-recursive-include bob/bio/base/test/data *.*
+recursive-include bob/bio/base/test/data *.* *-dev