diff --git a/database/migrations/tenant/2026_01_13_160741_add_inventory_delete_permission.php b/database/migrations/tenant/2026_01_13_160741_add_inventory_delete_permission.php
index b0a0069..c541734 100644
--- a/database/migrations/tenant/2026_01_13_160741_add_inventory_delete_permission.php
+++ b/database/migrations/tenant/2026_01_13_160741_add_inventory_delete_permission.php
@@ -11,7 +11,7 @@ return new class extends Migration
      */
     public function up(): void
     {
-        \Spatie\Permission\Models\Permission::create(['name' => 'inventory.delete', 'guard_name' => 'web']);
+        \Spatie\Permission\Models\Permission::firstOrCreate(['name' => 'inventory.delete', 'guard_name' => 'web']);
     }
 
     /**
diff --git a/database/migrations/tenant/2026_01_13_162407_add_safety_stock_permissions.php b/database/migrations/tenant/2026_01_13_162407_add_safety_stock_permissions.php
index e79e0c9..2733a78 100644
--- a/database/migrations/tenant/2026_01_13_162407_add_safety_stock_permissions.php
+++ b/database/migrations/tenant/2026_01_13_162407_add_safety_stock_permissions.php
@@ -11,7 +11,7 @@ return new class extends Migration
      */
     public function up(): void
     {
-        \Spatie\Permission\Models\Permission::create(['name' => 'inventory.safety_stock', 'guard_name' => 'web']);
+        \Spatie\Permission\Models\Permission::firstOrCreate(['name' => 'inventory.safety_stock', 'guard_name' => 'web']);
     }
 
     /**