diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eebdc3ee..965757ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,16 +21,23 @@ jobs:
         laravel:
           - '7.0'
           - '8.22'
+          - '9.0'
         exclude:
           - php: '7.2'
             laravel: '8.22'
+          - php: '7.2'
+            laravel: '9.0'
+          - php: '7.3'
+            laravel: '9.0'
+          - php: '7.4'
+            laravel: '9.0'
           - php: '8.0'
             laravel: '7.0'
           - php: '8.0'
-            laravel: '8.22'
+            laravel: '9.0'
         include:
           - php: '8.0'
-            laravel: '8.22'
+            laravel: '9.0'
             analysis: true
             coverage: 'xdebug'
             normalize: true
@@ -54,7 +61,7 @@ jobs:
         run: composer validate --strict
 
       - name: Install Laravel legacy factories support
-        if: matrix.laravel == '8.22'
+        if: matrix.laravel != '7.0'
         run: composer require "laravel/legacy-factories:^1.1" --dev --no-interaction --no-update
 
       - name: Install Laravel and Orchestra Testbench
diff --git a/composer.json b/composer.json
index 660df275..d8b6f83d 100644
--- a/composer.json
+++ b/composer.json
@@ -28,15 +28,15 @@
         "ext-json": "*",
         "funeralzone/valueobjects": "^0.5",
         "jenssegers/agent": "^2.6",
-        "laravel/framework": "^7.0 || ^8.0",
+        "laravel/framework": "^7.0 || ^8.0 || ^9.0",
         "osiset/basic-shopify-api": "^9.0 || ^10.0"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.8",
         "friendsofphp/php-cs-fixer": "^3.0",
         "mockery/mockery": "^1.0",
-        "orchestra/database": "~3.8 || ~4.0 || ~5.0 || ~6.0",
-        "orchestra/testbench": "~3.8 || ~4.0 || ~5.0 || ~6.0",
+        "orchestra/database": "~3.8 || ~4.0 || ~5.0 || ~6.0 || ~7.0",
+        "orchestra/testbench": "~3.8 || ~4.0 || ~5.0 || ~6.0 || ~7.0",
         "phpstan/phpstan": "^0.12",
         "phpunit/phpunit": "~8.0 || ^9.0"
     },
diff --git a/src/Traits/BillingController.php b/src/Traits/BillingController.php
index 1d24742d..6cae42de 100644
--- a/src/Traits/BillingController.php
+++ b/src/Traits/BillingController.php
@@ -27,18 +27,18 @@ trait BillingController
     /**
      * Redirects to billing screen for Shopify.
      *
-     * @param int|null    $plan        The plan's ID, if provided in route.
      * @param Request     $request     The request object.
      * @param ShopQuery    $shopQuery    The shop querier.
      * @param GetPlanUrl  $getPlanUrl  The action for getting the plan URL.
+     * @param int|null    $plan        The plan's ID, if provided in route.
      *
      * @return ViewView
      */
     public function index(
-        ?int $plan = null,
         Request $request,
         ShopQuery $shopQuery,
-        GetPlanUrl $getPlanUrl
+        GetPlanUrl $getPlanUrl,
+        ?int $plan = null
     ): ViewView {
         // Get the shop
         $shop = $shopQuery->getByDomain(ShopDomain::fromNative($request->get('shop')));
diff --git a/tests/Stubs/Kernel.php b/tests/Stubs/Kernel.php
index 15eb36d8..ccdd1328 100644
--- a/tests/Stubs/Kernel.php
+++ b/tests/Stubs/Kernel.php
@@ -13,7 +13,7 @@
 use Osiset\ShopifyApp\Http\Middleware\Billable;
 use Osiset\ShopifyApp\Http\Middleware\VerifyShopify;
 
-class Kernel extends \Orchestra\Testbench\Http\Kernel
+class Kernel extends \Orchestra\Testbench\Foundation\Http\Kernel
 {
     /**
      * The application's route middleware.
@@ -36,4 +36,26 @@ class Kernel extends \Orchestra\Testbench\Http\Kernel
         'auth.proxy' => AuthProxy::class,
         'billable' => Billable::class,
     ];
+
+    /**
+     * The application's route middleware groups.
+     *
+     * @var array
+     */
+    protected $middlewareGroups = [
+        'web' => [
+            \Illuminate\Cookie\Middleware\EncryptCookies::class,
+            \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
+            \Illuminate\Session\Middleware\StartSession::class,
+            // \Illuminate\Session\Middleware\AuthenticateSession::class,
+            \Illuminate\View\Middleware\ShareErrorsFromSession::class,
+            \Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class,
+            \Illuminate\Routing\Middleware\SubstituteBindings::class,
+        ],
+
+        'api' => [
+            'throttle:api',
+            \Illuminate\Routing\Middleware\SubstituteBindings::class,
+        ],
+    ];
 }