diff --git a/composer.json b/composer.json
index 1759a76..80a1fba 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "illuminate/http": "^10.0 || ^11.0",
         "illuminate/routing": "^10.0 || ^11.0",
         "illuminate/support": "^10.0 || ^11.0",
-        "laravel-lang/config": "^1.5",
+        "laravel-lang/config": "^1.6",
         "laravel-lang/locales": "^2.8"
     },
     "require-dev": {
diff --git a/phpunit.xml b/phpunit.xml
index 2829ec8..7c7083b 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -20,5 +20,8 @@
 
         <env name="SESSION_DRIVER" value="array" />
         <env name="CACHE_STORE" value="array" />
+
+        <env name="DB_CONNECTION" value="testing" />
+        <env name="DB_DATABASE" value=":memory:" />
     </php>
 </phpunit>
diff --git a/src/Middlewares/LocalizationByModel.php b/src/Middlewares/LocalizationByModel.php
new file mode 100644
index 0000000..f9831b8
--- /dev/null
+++ b/src/Middlewares/LocalizationByModel.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaravelLang\Routes\Middlewares;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Http\Request;
+
+class LocalizationByModel extends Middleware
+{
+    public function __construct(
+        protected ?string $guard = null,
+    ) {}
+
+    protected function detect(Request $request): bool|float|int|string|null
+    {
+        if ($this->has($user = $this->user($request))) {
+            return $user->getAttribute($this->attribute());
+        }
+
+        return null;
+    }
+
+    protected function has(?Model $user): bool
+    {
+        return $user && $this->hasAttribute($user);
+    }
+
+    protected function user(Request $request): ?Model
+    {
+        return $request->user($this->guard);
+    }
+
+    protected function attribute(): string
+    {
+        return $this->names()->column;
+    }
+
+    protected function hasAttribute(Model $user): bool
+    {
+        if (method_exists($user, 'hasAttribute')) {
+            return $user->hasAttribute($this->attribute());
+        }
+
+        return array_key_exists($this->attribute(), $user->getAttributes());
+    }
+}
diff --git a/src/Services/Route.php b/src/Services/Route.php
index 0eed673..27a8815 100644
--- a/src/Services/Route.php
+++ b/src/Services/Route.php
@@ -10,6 +10,7 @@
 use LaravelLang\Routes\Helpers\Route as RouteName;
 use LaravelLang\Routes\Middlewares\LocalizationByCookie;
 use LaravelLang\Routes\Middlewares\LocalizationByHeader;
+use LaravelLang\Routes\Middlewares\LocalizationByModel;
 use LaravelLang\Routes\Middlewares\LocalizationByParameterPrefix;
 use LaravelLang\Routes\Middlewares\LocalizationBySession;
 
@@ -23,6 +24,7 @@ public function group(Closure $callback): void
             LocalizationByCookie::class,
             LocalizationByHeader::class,
             LocalizationBySession::class,
+            LocalizationByModel::class,
         ])->group($callback);
 
         BaseRoute::prefix('{' . $this->names()->parameter . '}')
@@ -32,6 +34,7 @@ public function group(Closure $callback): void
                 LocalizationByCookie::class,
                 LocalizationByHeader::class,
                 LocalizationBySession::class,
+                LocalizationByModel::class,
             ])->group($callback);
     }
 }
diff --git a/tests/Concerns/Routes.php b/tests/Concerns/Routes.php
index d553cd2..c1a7542 100644
--- a/tests/Concerns/Routes.php
+++ b/tests/Concerns/Routes.php
@@ -8,6 +8,7 @@
 use LaravelLang\Routes\Facades\LocalizationRoute;
 use LaravelLang\Routes\Middlewares\LocalizationByCookie;
 use LaravelLang\Routes\Middlewares\LocalizationByHeader;
+use LaravelLang\Routes\Middlewares\LocalizationByModel;
 use LaravelLang\Routes\Middlewares\LocalizationByParameter;
 use LaravelLang\Routes\Middlewares\LocalizationByParameterWithRedirect;
 use LaravelLang\Routes\Middlewares\LocalizationBySession;
@@ -53,6 +54,16 @@ public function setUpRoutes(): void
                     ->get('session/{foo}', $this->jsonResponse())
                     ->name('via.session');
 
+                app('router')
+                    ->middleware(LocalizationByModel::class)
+                    ->get('model/default/{foo}', $this->jsonResponse())
+                    ->name('via.model.default');
+
+                app('router')
+                    ->middleware(LocalizationByModel::class . ':foo')
+                    ->get('model/guard/{foo}', $this->jsonResponse())
+                    ->name('via.model.guard');
+
                 app('router')
                     ->middleware([
                         LocalizationByParameter::class,
@@ -60,6 +71,7 @@ public function setUpRoutes(): void
                         LocalizationByHeader::class,
                         LocalizationByCookie::class,
                         LocalizationBySession::class,
+                        LocalizationByModel::class,
                     ])
                     ->get('clean/{foo}', $this->jsonResponse())
                     ->name('clean');
diff --git a/tests/Feature/Middlewares/ModelAuthorizedGuardTest.php b/tests/Feature/Middlewares/ModelAuthorizedGuardTest.php
new file mode 100644
index 0000000..8762ae8
--- /dev/null
+++ b/tests/Feature/Middlewares/ModelAuthorizedGuardTest.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+use Tests\Constants\LocaleValue;
+
+use function Pest\Laravel\actingAs;
+use function Pest\Laravel\getJson;
+
+test('main locale', function () {
+    actingAs(fakeUser(), 'foo');
+
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+});
+
+test('aliased locale', function (string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationGerman);
+
+    assertEventDispatched();
+})->with('aliased-locales');
+
+test('empty locale', function (int|string|null $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+})->with('empty-locales');
+
+test('uninstalled locale', function (string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventDispatched();
+})->with('uninstalled-locales');
+
+test('unknown locale', function (int|string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventDispatched();
+})->with('unknown-locales');
diff --git a/tests/Feature/Middlewares/ModelAuthorizedTest.php b/tests/Feature/Middlewares/ModelAuthorizedTest.php
new file mode 100644
index 0000000..a072455
--- /dev/null
+++ b/tests/Feature/Middlewares/ModelAuthorizedTest.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+use Tests\Constants\LocaleValue;
+
+use function Pest\Laravel\actingAs;
+use function Pest\Laravel\getJson;
+
+test('main locale', function () {
+    actingAs(fakeUser());
+
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+});
+
+test('aliased locale', function (string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationGerman);
+
+    assertEventDispatched();
+})->with('aliased-locales');
+
+test('empty locale', function (int|string|null $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+})->with('empty-locales');
+
+test('uninstalled locale', function (string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventDispatched();
+})->with('uninstalled-locales');
+
+test('unknown locale', function (int|string $locale) {
+    actingAs(fakeUser($locale));
+
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo', 'locale')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventDispatched();
+})->with('unknown-locales');
diff --git a/tests/Feature/Middlewares/ModelUnauthorized.php b/tests/Feature/Middlewares/ModelUnauthorized.php
new file mode 100644
index 0000000..935e29b
--- /dev/null
+++ b/tests/Feature/Middlewares/ModelUnauthorized.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+use Tests\Constants\LocaleValue;
+
+use function Pest\Laravel\getJson;
+
+test('with guard', function () {
+    $foo = 'test';
+
+    getJson(route('via.model.guard', compact('foo')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+});
+
+test('without guard', function () {
+    $foo = 'test';
+
+    getJson(route('via.model.default', compact('foo')))
+        ->assertSuccessful()
+        ->assertJsonPath($foo, LocaleValue::TranslationFrench);
+
+    assertEventNotDispatched();
+});
diff --git a/tests/Fixtures/Models/User.php b/tests/Fixtures/Models/User.php
new file mode 100644
index 0000000..e1887c6
--- /dev/null
+++ b/tests/Fixtures/Models/User.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Models;
+
+use Illuminate\Foundation\Auth\User as Authenticatable;
+
+class User extends Authenticatable
+{
+    protected $fillable = [
+        'locale',
+    ];
+}
diff --git a/tests/Helpers/Models.php b/tests/Helpers/Models.php
new file mode 100644
index 0000000..0597e46
--- /dev/null
+++ b/tests/Helpers/Models.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Tests\Fixtures\Models\User;
+
+function fakeUser(int|string|null $locale = null): User
+{
+    return User::create([
+        'locale' => $locale,
+    ]);
+}
diff --git a/tests/Pest.php b/tests/Pest.php
index 31aebee..aaa1e8f 100644
--- a/tests/Pest.php
+++ b/tests/Pest.php
@@ -1,7 +1,8 @@
 <?php
 
+use Illuminate\Foundation\Testing\DatabaseTransactions;
 use Illuminate\Support\Facades\Event;
 
-uses(Tests\TestCase::class)
+uses(Tests\TestCase::class, DatabaseTransactions::class)
     ->beforeEach(fn () => Event::fake())
     ->in('Feature', 'Unit');
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 1a407f4..bf0a85d 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -32,8 +32,18 @@ protected function defineEnvironment($app): void
 
         $config->set('app.locale', LocaleValue::LocaleMain);
 
+        $config->set('auth.guards.foo', [
+            'driver'   => 'session',
+            'provider' => 'users',
+        ]);
+
         $config->set(Name::Shared() . '.aliases', [
             LocaleValue::LocaleAliasParent => LocaleValue::LocaleAlias,
         ]);
     }
+
+    protected function defineDatabaseMigrations(): void
+    {
+        $this->loadMigrationsFrom(__DIR__ . '/database/migrations');
+    }
 }
diff --git a/tests/database/migrations/2024_06_20_000000_create_users_table.php b/tests/database/migrations/2024_06_20_000000_create_users_table.php
new file mode 100644
index 0000000..2c4a7cf
--- /dev/null
+++ b/tests/database/migrations/2024_06_20_000000_create_users_table.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('users', function (Blueprint $table) {
+            $table->id();
+
+            $table->string('locale')->nullable();
+
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('users');
+    }
+};