diff --git a/migrations/20221126223051_index-tags.js b/migrations/20221126223051_index-tags.js
new file mode 100644
index 0000000..84966a0
--- /dev/null
+++ b/migrations/20221126223051_index-tags.js
@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports.up = function(knex, Promise) {
+	return knex.schema
+		.alterTable("srap_tags", (table) => {
+			table.index("item_id");
+		});
+};
+	
+module.exports.down = function(knex, Promise) {
+	return knex.schema
+		.alterTable("srap_tags", (table) => {
+			table.dropIndex("item_id");
+		});
+};