diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index 8b56cd8e28a..e5d8dc0d474 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -10,6 +10,7 @@ import json
 import frappe
 import frappe.defaults
 from frappe import _, msgprint
+from frappe.model.document import Document
 from frappe.model.mapper import get_mapped_doc
 from frappe.query_builder import Order
 from frappe.query_builder.functions import Sum
@@ -554,7 +555,7 @@ def make_purchase_order(source_name, target_doc=None, args=None):
 
 
 @frappe.whitelist()
-def make_request_for_quotation(source_name, target_doc=None):
+def make_request_for_quotation(source_name: str, target_doc: str | dict | Document | None = None):
 	def update_item(obj, target, source_parent):
 		qty = obj.ordered_qty or obj.received_qty
 		target.qty = flt(flt(obj.stock_qty) - flt(qty)) / target.conversion_factor