diff --git a/indexer/migrations/20250822193320-add-code-index-for-transactions.js b/indexer/migrations/20250822193320-add-code-index-for-transactions.js
new file mode 100644
index 00000000..b9d89030
--- /dev/null
+++ b/indexer/migrations/20250822193320-add-code-index-for-transactions.js
@@ -0,0 +1,14 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(
+      'CREATE INDEX transactiondetails_code_gin_idx ON public."TransactionDetails" USING gin (code);',
+    );
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query('DROP INDEX IF EXISTS transactiondetails_code_gin_idx;');
+  },
+};