diff --git a/MANIFEST.in b/MANIFEST.in
index bd595a52b9f473dc931f5f798916891017f24d4f..628c372bb2bd31fb49b5bbc1a69252de1de9c33a 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/learn/activation *.cpp *.h