diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index 7ab661c8822..09fdfad66ba 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -166,7 +166,7 @@ class Timesheet(Document):
 			if data.task and data.task not in tasks:
 				task = frappe.get_doc("Task", data.task)
 				task.update_time_and_costing()
-				task.save()
+				task.save(ignore_permissions=True)
 				tasks.append(data.task)
 
 			if data.project and data.project not in projects:
@@ -175,7 +175,7 @@ class Timesheet(Document):
 		for project in projects:
 			project_doc = frappe.get_doc("Project", project)
 			project_doc.update_project()
-			project_doc.save()
+			project_doc.save(ignore_permissions=True)
 
 	def validate_dates(self):
 		for data in self.time_logs: