diff --git a/app/models/citation.rb b/app/models/citation.rb
index 76a2327989..dd1e4e367e 100644
--- a/app/models/citation.rb
+++ b/app/models/citation.rb
@@ -20,6 +20,7 @@
 class Citation < ApplicationRecord
   include Rails.application.routes.url_helpers
   include LinkToHelper
+  include Searchable
 
   self.inheritance_column = nil
 
@@ -65,6 +66,10 @@ class Citation < ApplicationRecord
       or(where(citable: info_request_batch.info_requests))
   end
 
+  searchable index: {
+    "source_url": "A"
+  }
+
   def self.search(query)
     where(<<~SQL, query: query)
       lower(citations.source_url) LIKE lower('%'||:query||'%')