diff --git a/MANIFEST.in b/MANIFEST.in
index fd1a61f2b..10eb5960b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,4 +5,4 @@ exclude make-manifest.py
 exclude SHIP
 exclude SHIP.bat
 recursive-exclude Tests *
-include *.txt
+recursive-include *.txt