diff --git a/app/Filament/Resources/ProductCharacteristicsMasterResource.php b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
index 8e967c8..ffda651 100644
--- a/app/Filament/Resources/ProductCharacteristicsMasterResource.php
+++ b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
@@ -352,6 +352,7 @@ class ProductCharacteristicsMasterResource extends Resource
                 Tables\Columns\TextColumn::make('created_by')
                     ->label('Created By')
                     ->alignCenter()
+                    ->searchable()
                     ->sortable(),
                 Tables\Columns\TextColumn::make('updated_at')
                     ->label('Updated At')
@@ -362,6 +363,7 @@ class ProductCharacteristicsMasterResource extends Resource
                 Tables\Columns\TextColumn::make('updated_by')
                     ->label('Updated By')
                     ->alignCenter()
+                    ->searchable()
                     ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
                 Tables\Columns\TextColumn::make('deleted_at')