diff --git a/db/migrate/20100502162317_add_index_to_todo_state.rb b/db/migrate/20100502162317_add_index_to_todo_state.rb
new file mode 100644
index 00000000..6e3d01bf
--- /dev/null
+++ b/db/migrate/20100502162317_add_index_to_todo_state.rb
@@ -0,0 +1,9 @@
+class AddIndexToTodoState < ActiveRecord::Migration
+  def self.up
+    add_index :todos, :state
+  end
+
+  def self.down
+    remove_index :todos, :state
+  end
+end
\ No newline at end of file