diff --git a/MANIFEST.in b/MANIFEST.in
index 314f6d7..e718ea2 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include LICENSE test.py
+include LICENSE test.py setup_helper.py
 recursive-include docs *
 recursive-include tests *.py *.key
 recursive-include demos *.py *.key user_rsa_key user_rsa_key.pub