diff --git a/erpnext/patches/repost_stock.py b/erpnext/patches/repost_stock.py
new file mode 100644
index 0000000..680e06f
--- /dev/null
+++ b/erpnext/patches/repost_stock.py
@@ -0,0 +1,22 @@
+def execute():
+    import webnotes
+    sql = webnotes.conn.sql
+    from webnotes.model.code import get_obj
+
+    # update incoming rate in serial nos
+    sr = sql("""select name, item_code, purchase_document_no from `tabSerial No`
+            where docstatus = 1 and purchase_document_type = 'Purchase Receipt'""")
+    for d in sr:
+        val_rate = sql("""select valuation_rate from `tabPurchase Receipt Detail`
+            where item_code = %s and parent = %s""", (d[1], d[2]))
+        sql("""update `tabSerial No` set purchase_rate = %s where name = %s""",
+           (val_rate and flt(val_rate[0][0]) or 0, d[0]))
+    
+    
+    # repost for all serialized item
+    bin = sql("""select t1.name from `tabBin` t1, tabItem t2 where t1.item_code = t2.name and ifnull(has_serial_no, 'No') = 'Yes'""")
+    for d in bin:
+        get_obj('Bin', d[0]).update_entries_after(posting_date = '2000-01-01', posting_time = '12:00')
+        sql("commit")
+        sql("start transaction")
+