diff --git a/MANIFEST.in b/MANIFEST.in
index 3a1395bc..c3bf75ba 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,5 @@ recursive-include ckanext/harvest/templates *
 recursive-include ckanext/harvest/assets *
 recursive-include ckanext/harvest/public *
 recursive-include ckanext/harvest/i18n *
+recursive-include ckanext/harvest/migration *
+