diff --git a/app/models/submission.rb b/app/models/submission.rb
index 8567c742..309010d0 100644
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@@ -63,6 +63,7 @@ class Submission < ApplicationRecord
 
   enum :source, {
     invite: 'invite',
+    bulk: 'bulk',
     api: 'api',
     embed: 'embed',
     link: 'link'