Dynamic hint not updating

use Filament\Forms\Get;

Select::make('selection')
                    ->relationship('selection', 'tag',)
                    ->preload()
                    ->searchable()
                    ->columnSpan(2),
                TextInput::make('text_input')
                    ->hint(function (Get $get) {
                        return $get($selection) ? '' : 'no selection';
                    })
                    ->maxLength(255)
                    ->columnSpan(2),