diff --git a/src/Resources/RelationManager.php b/src/Resources/RelationManager.php
index 8100e133e4..1cdfd0101b 100644
--- a/src/Resources/RelationManager.php
+++ b/src/Resources/RelationManager.php
@@ -4,6 +4,7 @@ namespace Filament\Resources;
 
 use Filament\Filament;
 use Illuminate\Database\Eloquent\Relations;
+use Illuminate\Support\Str;
 use Livewire\Component;
 use Livewire\Livewire;