diff --git a/MANIFEST.in b/MANIFEST.in
index 3a2067d..fe18262 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,4 +4,4 @@ include conftest.py
 include mypy.ini
 include pytest.ini
 
-recursive-include abjadext/ *
+recursive-include source/rmakers *