diff --git a/composer.json b/composer.json
index e043a91..7b91202 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     ],
     "require": {
         "php": "^8.1",
-        "filament/filament": "^3.0",
+        "filament/filament": "^4.0",
         "league/oauth2-client": "*",
         "spatie/laravel-package-tools": "^1.15.0"
     },
diff --git a/routes/web.php b/routes/web.php
index 635f75a..8f7689b 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -6,7 +6,7 @@ use AlexanderGabriel\FilamentOauth2\Http\Controllers\Oauth2Controller;
 use Filament\Facades\Filament;
 use Illuminate\Support\Facades\Route;
 
-$panel = Filament::getCurrentPanel();
+$panel = Filament::getCurrentOrDefaultPanel();
 
 Route::prefix($panel->getPath())
     ->middleware($panel->getMiddleware())
@@ -15,7 +15,7 @@ Route::prefix($panel->getPath())
         Route::name('filament-oauth2.')
             ->prefix('filament-oauth2')
             ->group(function () {
-                Route::post('handleLogout', [Oauth2Controller::class, 'handleLogout'])->name('handleLogout');
+                Route::get('handleLogout', [Oauth2Controller::class, 'handleLogout'])->name('handleLogout');
                 Route::get('redirectToOauth2Server', [Oauth2Controller::class, 'redirectToOauth2Server'])
                     ->name('redirectToOauth2Server');
                 Route::get('handleCallback', [Oauth2Controller::class, 'handleCallback'])
diff --git a/src/Http/Controllers/Oauth2Controller.php b/src/Http/Controllers/Oauth2Controller.php
index d0ac79b..052a008 100644
--- a/src/Http/Controllers/Oauth2Controller.php
+++ b/src/Http/Controllers/Oauth2Controller.php
@@ -7,8 +7,8 @@ use App\Models\Role;
 use App\Models\User;
 use Illuminate\Validation\ValidationException;
 use Exception;
+use Filament\Auth\Http\Responses\LoginResponse;
 use Filament\Facades\Filament;
-use Filament\Http\Responses\Auth\LoginResponse;
 use Filament\Models\Contracts\FilamentUser;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Http\Request;