diff --git a/MANIFEST.in b/MANIFEST.in
index 9e664ba..8d19207 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
-include *.py *.txt *.rst
+include *.py *.txt *.rst MANIFEST.in
 recursive-include docs *.rst *.py make.bat Makefile