diff --git a/MANIFEST.in b/MANIFEST.in
index a586782b..60ce33ec 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,6 @@
 include ez_setup.py
 include LICENSE
 include *.rst
+include requirements.txt
 include stone/target/swift_rsrc/*
 include test/requirements.txt