diff --git a/pocketbase/pb_migrations/1757376525_add_quantity_to_book_out_records.js b/pocketbase/pb_migrations/1757376525_add_quantity_to_book_out_records.js
new file mode 100644
index 0000000..f5dbfd1
--- /dev/null
+++ b/pocketbase/pb_migrations/1757376525_add_quantity_to_book_out_records.js
@@ -0,0 +1,26 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3572209852"); // ID of book_out_records
+
+  collection.schema.addField(new SchemaField({
+    "system": false,
+    "id": "field_quantity_book_out", // Unique ID for the new field
+    "name": "quantity",
+    "type": "number",
+    "required": true,
+    "presentable": false,
+    "unique": false,
+    "options": {
+      "min": 1,
+      "max": null,
+      "noDecimal": true
+    }
+  }));
+
+  return app.save(collection);
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3572209852"); // ID of book_out_records
+  collection.schema.removeField("field_quantity_book_out"); // Remove the field on downgrade
+
+  return app.save(collection);
+})
\ No newline at end of file