diff --git a/lib/generators/active_record/templates/migration_existing.rb b/lib/generators/active_record/templates/migration_existing.rb
index 491e1f9..0be1435 100644
--- a/lib/generators/active_record/templates/migration_existing.rb
+++ b/lib/generators/active_record/templates/migration_existing.rb
@@ -1,4 +1,4 @@
-class Add<%= column_name.camelize %>To<%= table_name.camelize %> < ActiveRecord::Migration
+class Add<%= column_name.camelize %>To<%= table_name.camelize %> < ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version %>]
   def change
     add_column :<%= table_name %>, :<%= column_name %>, :string
   end