diff --git a/MANIFEST.in b/MANIFEST.in
index f0de085d0dd2a0bc6fb50001a7c56cc9c2bcb296..12fee15347e4c198cad07c37c40e32bac045b699 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
-include LICENSE README.rst bootstrap.py buildout.cfg
+include LICENSE README.rst bootstrap.py buildout.cfg requirements.txt
 recursive-include doc conf.py *.rst
 recursive-include bob *.cc *.cpp *.h *.hdf5