diff --git a/indexer/migrations/20250830124006-add-module-chainid-index-to-events.js b/indexer/migrations/20250830124006-add-module-chainid-index-to-events.js
new file mode 100644
index 00000000..5af6c045
--- /dev/null
+++ b/indexer/migrations/20250830124006-add-module-chainid-index-to-events.js
@@ -0,0 +1,14 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.addIndex('Events', ['module', 'chainId'], {
+      name: 'events_module_chainid_idx',
+    });
+  },
+
+  async down(queryInterface) {
+    await queryInterface.removeIndex('Events', 'events_module_chainid_idx');
+  },
+};