diff --git a/src/scripts/migrate_sku_to_gtin.py b/src/scripts/migrate_sku_to_gtin.py
index cfe5d76..6179e12 100644
--- a/src/scripts/migrate_sku_to_gtin.py
+++ b/src/scripts/migrate_sku_to_gtin.py
@@ -141,17 +141,15 @@ async def migrate_sku_to_gtin():
                     # Update variations while preserving all other fields
                     fresh_item_data["variations"] = updated_variations
 
-                    upsert_body = {
-                        "idempotency_key": str(uuid.uuid4()),
-                        "object": {
+                    await client.catalog.object.upsert(
+                        idempotency_key=str(uuid.uuid4()),
+                        object={
                             "type": "ITEM",
                             "id": item_id,
                             "version": fresh_version,
                             "item_data": fresh_item_data,
                         },
-                    }
-
-                    await client.catalog.object.upsert(body=upsert_body)
+                    )
                     print(f"[@INFO]   ✓ Successfully updated item {item_id}")
                     updated_items += 1