diff --git a/lib/redmine/plugin.rb b/lib/redmine/plugin.rb
index fb42a8fa9..78eee1e7f 100644
--- a/lib/redmine/plugin.rb
+++ b/lib/redmine/plugin.rb
@@ -485,6 +485,10 @@ module Redmine
       def open
         Migrator.new(:up, migrations, schema_migration)
       end
+
+      def current_version
+        Migrator.current_version
+      end
     end
 
     class Migrator < ActiveRecord::Migrator