diff --git a/erpnext/patches/v5_0/update_projects.py b/erpnext/patches/v5_0/update_projects.py
index edb18af..71a84a1 100644
--- a/erpnext/patches/v5_0/update_projects.py
+++ b/erpnext/patches/v5_0/update_projects.py
@@ -5,6 +5,7 @@
 	frappe.reload_doctype("Project")
 	frappe.reload_doc("projects", "doctype", "project_task")
 	frappe.reload_doctype("Task")
+	frappe.reload_doc("projects", "doctype", "task_depends_on")
 
 	for m in frappe.get_all("Project Milestone", "*"):
 		if (m.milestone and m.milestone_date