diff --git a/MANIFEST.in b/MANIFEST.in
index 9c46a97..0e20f9b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include README.* LICENSE setup.py setup.cfg
+include README.* LICENSE setup.py setup.cfg requirements.txt
 recursive-include greenrpc *.py
 global-exclude *.pyc
 global-exclude *.pyo