diff --git a/src/Middlewares/CookiesLocale.php b/src/Middlewares/CookiesLocale.php
index 060fd4c..a44e9b0 100644
--- a/src/Middlewares/CookiesLocale.php
+++ b/src/Middlewares/CookiesLocale.php
@@ -8,7 +8,7 @@
 
 class CookiesLocale extends Middleware
 {
-    protected function detect(Request $request): string|int|float|bool|null
+    protected function detect(Request $request): bool|float|int|string|null
     {
         return $request->cookie($this->names()->cookie);
     }
diff --git a/src/Middlewares/HeaderLocale.php b/src/Middlewares/HeaderLocale.php
index fe60dcf..bf0feba 100644
--- a/src/Middlewares/HeaderLocale.php
+++ b/src/Middlewares/HeaderLocale.php
@@ -8,7 +8,7 @@
 
 class HeaderLocale extends Middleware
 {
-    protected function detect(Request $request): string|int|float|bool|null
+    protected function detect(Request $request): bool|float|int|string|null
     {
         return $request->header($this->names()->header);
     }
diff --git a/src/Middlewares/Middleware.php b/src/Middlewares/Middleware.php
index 31578b3..208e8c6 100644
--- a/src/Middlewares/Middleware.php
+++ b/src/Middlewares/Middleware.php
@@ -15,7 +15,7 @@ abstract class Middleware
 {
     use KeyNames;
 
-    abstract protected function detect(Request $request): string|int|float|bool|null;
+    abstract protected function detect(Request $request): bool|float|int|string|null;
 
     public function __invoke(Request $request, Closure $next)
     {
diff --git a/src/Middlewares/ParameterLocale.php b/src/Middlewares/ParameterLocale.php
index e948c4e..d61652e 100644
--- a/src/Middlewares/ParameterLocale.php
+++ b/src/Middlewares/ParameterLocale.php
@@ -8,7 +8,7 @@
 
 class ParameterLocale extends Middleware
 {
-    protected function detect(Request $request): string|int|float|bool|null
+    protected function detect(Request $request): bool|float|int|string|null
     {
         return $request->route()->parameter($this->names()->parameter);
     }
diff --git a/src/Middlewares/ParameterRedirectLocale.php b/src/Middlewares/ParameterRedirectLocale.php
index beb867e..424d32f 100644
--- a/src/Middlewares/ParameterRedirectLocale.php
+++ b/src/Middlewares/ParameterRedirectLocale.php
@@ -26,7 +26,7 @@ public function __invoke(Request $request, Closure $next)
         return parent::__invoke($request, $next);
     }
 
-    protected function detect(Request $request): string|int|float|bool|null
+    protected function detect(Request $request): bool|float|int|string|null
     {
         return $request->route()?->parameter($this->names()->parameter);
     }
@@ -60,7 +60,7 @@ protected function defaultLocale(): string
         return Locales::getDefault()->code;
     }
 
-    protected function isInstalled(string|int|float|bool|null $parameter): bool
+    protected function isInstalled(bool|float|int|string|null $parameter): bool
     {
         return Locales::isInstalled((string) $parameter);
     }
diff --git a/src/Middlewares/SessionLocale.php b/src/Middlewares/SessionLocale.php
index 3495d0c..e849e9f 100644
--- a/src/Middlewares/SessionLocale.php
+++ b/src/Middlewares/SessionLocale.php
@@ -8,7 +8,7 @@
 
 class SessionLocale extends Middleware
 {
-    protected function detect(Request $request): string|int|float|bool|null
+    protected function detect(Request $request): bool|float|int|string|null
     {
         return $request->getSession()->get($this->names()->session);
     }
diff --git a/src/Services/Resolver.php b/src/Services/Resolver.php
index 5634e4b..a0fcd04 100644
--- a/src/Services/Resolver.php
+++ b/src/Services/Resolver.php
@@ -8,7 +8,7 @@
 
 class Resolver
 {
-    public static function locale(string|int|float|bool|null $locale): string
+    public static function locale(bool|float|int|string|null $locale): string
     {
         return Locales::get($locale)->code ?? Locales::getDefault()->code;
     }
diff --git a/tests/Feature/CookieTest.php b/tests/Feature/CookieTest.php
index 227e617..7001a62 100644
--- a/tests/Feature/CookieTest.php
+++ b/tests/Feature/CookieTest.php
@@ -5,12 +5,13 @@
 use LaravelLang\Config\Facades\Config;
 use Tests\Constants\LocaleValue;
 
-use function Pest\Laravel\withCookie;
+use function Pest\Laravel\withCredentials;
 
 test('main locale', function (string $locale) {
     $time = time();
 
-    withCookie(Config::shared()->routes->names->cookie, $locale)
+    withCredentials()
+        ->withCookie(Config::shared()->routes->names->cookie, $locale)
         ->getJson(route('via.cookie', compact('time')))
         ->assertSuccessful()
         ->assertJsonPath('message', LocaleValue::TranslationFrench)
@@ -20,7 +21,8 @@
 test('aliased locale', function (string $locale) {
     $time = time();
 
-    withCookie(Config::shared()->routes->names->cookie, $locale)
+    withCredentials()
+        ->withCookie(Config::shared()->routes->names->cookie, $locale)
         ->getJson(route('via.cookie', compact('time')))
         ->assertSuccessful()
         ->assertJsonPath('message', LocaleValue::TranslationGerman)
@@ -30,7 +32,8 @@
 test('empty locale', function (int|string|null $locale) {
     $time = time();
 
-    withCookie(Config::shared()->routes->names->cookie, (string) $locale)
+    withCredentials()
+        ->withCookie(Config::shared()->routes->names->cookie, (string) $locale)
         ->getJson(route('via.cookie', compact('time')))
         ->assertSuccessful()
         ->assertJsonPath('message', LocaleValue::TranslationFrench)
@@ -40,7 +43,8 @@
 test('uninstalled locale', function (string $locale) {
     $time = time();
 
-    withCookie(Config::shared()->routes->names->cookie, (string) $locale)
+    withCredentials()
+        ->withCookie(Config::shared()->routes->names->cookie, $locale)
         ->getJson(route('via.cookie', compact('time')))
         ->assertSuccessful()
         ->assertJsonPath('message', LocaleValue::TranslationFrench)
@@ -50,7 +54,8 @@
 test('unknown locale', function (int|string $locale) {
     $time = time();
 
-    withCookie(Config::shared()->routes->names->cookie, (string) $locale)
+    withCredentials()
+        ->withCookie(Config::shared()->routes->names->cookie, (string) $locale)
         ->getJson(route('via.cookie', compact('time')))
         ->assertSuccessful()
         ->assertJsonPath('message', LocaleValue::TranslationFrench)