diff --git a/MANIFEST.in b/MANIFEST.in
index cd4ceb77062026392b66eb63203331e64b538eda..3f5b45f9c17aab02d59efaf41dc62304455c5323 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
-include README.rst bootstrap-buildout.py buildout.cfg develop.cfg COPYING version.txt requirements.txt
+include README.rst bootstrap-buildout.py buildout.cfg develop.cfg COPYING version.txt requirements.txt test-requirements.txt
 recursive-include doc *.py *.rst
 recursive-include bob/bio/base/test/data *.lst *.hdf5 *-dev