diff --git a/app/Filament/Imports/ProductionQuantityImporter.php b/app/Filament/Imports/ProductionQuantityImporter.php
index 928cf14..0f27454 100644
--- a/app/Filament/Imports/ProductionQuantityImporter.php
+++ b/app/Filament/Imports/ProductionQuantityImporter.php
@@ -54,6 +54,11 @@ class ProductionQuantityImporter extends Importer
                 ->label('Plant Name')
                 ->relationship(resolveUsing:'name')
                 ->rules(['required']),
+            ImportColumn::make('updated_at')
+                ->requiredMapping()
+                ->exampleHeader('Updated DateTime')
+                ->label('Updated DateTime')
+                ->rules(['required']),
         ];
     }