diff --git a/app/Models/Category.php b/app/Models/Category.php
index e77fa3f..df0a0ef 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Attributes\Scope;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -11,12 +12,11 @@
 use Spatie\Sluggable\HasSlug;
 use Spatie\Sluggable\SlugOptions;
 
+#[Guarded(['id'])]
 class Category extends Model
 {
     use HasFactory, HasSlug, SoftDeletes;
 
-    protected $guarded = ['id'];
-
     protected function casts(): array
     {
         return [
diff --git a/app/Models/Expense.php b/app/Models/Expense.php
index d7ce399..8652d07 100644
--- a/app/Models/Expense.php
+++ b/app/Models/Expense.php
@@ -2,6 +2,8 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Attributes\Appends;
+use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -10,14 +12,12 @@
 use Spatie\MediaLibrary\HasMedia;
 use Spatie\MediaLibrary\InteractsWithMedia;
 
+#[Guarded(['id'])]
+#[Appends(['proof_url'])]
 class Expense extends Model implements HasMedia
 {
     use HasFactory, InteractsWithMedia, SoftDeletes;
 
-    protected $guarded = ['id'];
-
-    protected $appends = ['proof_url'];
-
     protected function casts(): array
     {
         return [
diff --git a/app/Models/Product.php b/app/Models/Product.php
index e0dbd05..2697316 100644
--- a/app/Models/Product.php
+++ b/app/Models/Product.php
@@ -2,6 +2,8 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Attributes\Appends;
+use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Attributes\Scope;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -15,17 +17,12 @@
 use Spatie\Sluggable\HasSlug;
 use Spatie\Sluggable\SlugOptions;
 
+#[Guarded(['id'])]
+#[Appends(['thumbnail_url', 'images_data'])]
 class Product extends Model implements HasMedia
 {
     use HasFactory, HasSlug, InteractsWithMedia, SoftDeletes;
 
-    protected $guarded = ['id'];
-
-    protected $appends = [
-        'thumbnail_url',
-        'images_data',
-    ];
-
     protected function casts(): array
     {
         return [
@@ -77,13 +74,13 @@ protected function imagesData(): Attribute
         );
     }
 
-    public function prices(): HasMany
-    {
-        return $this->hasMany(ProductPrice::class);
-    }
-
     public function categories(): BelongsToMany
     {
         return $this->belongsToMany(Category::class);
     }
+
+    public function prices(): HasMany
+    {
+        return $this->hasMany(ProductPrice::class);
+    }
 }
diff --git a/app/Models/ProductPrice.php b/app/Models/ProductPrice.php
index 1ab6f00..25fe98a 100644
--- a/app/Models/ProductPrice.php
+++ b/app/Models/ProductPrice.php
@@ -3,13 +3,13 @@
 namespace App\Models;
 
 use App\Enums\PriceType;
+use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
+#[Guarded(['id'])]
 class ProductPrice extends Model
 {
-    protected $guarded = ['id'];
-
     protected function casts(): array
     {
         return [
diff --git a/app/Models/User.php b/app/Models/User.php
index 95b9f7d..708f6ce 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -3,6 +3,8 @@
 namespace App\Models;
 
 // use Illuminate\Contracts\Auth\MustVerifyEmail;
+
+use Illuminate\Database\Eloquent\Attributes\Appends;
 use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -16,12 +18,11 @@
 
 #[Guarded('id')]
 #[Hidden(['password'])]
+#[Appends(['name'])]
 class User extends Authenticatable
 {
     use HasFactory, Notifiable, SoftDeletes, TwoFactorAuthenticatable;
 
-    protected $appends = ['name'];
-
     protected function casts(): array
     {
         return [
diff --git a/app/Models/UserProfile.php b/app/Models/UserProfile.php
index 86cecca..00b531e 100644
--- a/app/Models/UserProfile.php
+++ b/app/Models/UserProfile.php
@@ -2,17 +2,17 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Attributes\Guarded;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
+#[Guarded(['id'])]
 class UserProfile extends Model
 {
     use HasFactory, SoftDeletes;
 
-    protected $guarded = ['id'];
-
     public function user(): BelongsTo
     {
         return $this->belongsTo(User::class);