diff --git a/MANIFEST.in b/MANIFEST.in
index d658f1d..c42cfa1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
 include *.md
 include *.rst
-recursive-include rattail_nationbuilder/db/alembic *.mako
+recursive-include rattail_nationbuilder/db/alembic *.py