diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 8a6cf6124..3e752d0ca 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '8.4'
           coverage: none
 
       - name: Install composer dependencies
diff --git a/composer.json b/composer.json
index 92f5a1c89..c84431d02 100644
--- a/composer.json
+++ b/composer.json
@@ -54,8 +54,8 @@
     },
     "scripts": {
         "x-ray": "vendor/bin/x-ray .",
-        "lint": "vendor/bin/php-cs-fixer fix -v",
-        "test:lint": "vendor/bin/php-cs-fixer fix -v --dry-run",
+        "lint": "PHP_CS_FIXER_IGNORE_ENV=1 vendor/bin/php-cs-fixer fix -v",
+        "test:lint": "PHP_CS_FIXER_IGNORE_ENV=1  vendor/bin/php-cs-fixer fix -v --dry-run",
         "test:types": "vendor/bin/phpstan analyse --ansi --memory-limit=-1",
         "test:unit": "vendor/bin/pest --colors=always --exclude-group=sandbox",
         "test:sandbox": "vendor/bin/pest --colors=always --group=sandbox",
diff --git a/src/Concerns/HasStorage.php b/src/Concerns/HasStorage.php
index 1b13b2ab6..4d159257a 100644
--- a/src/Concerns/HasStorage.php
+++ b/src/Concerns/HasStorage.php
@@ -9,7 +9,7 @@
 
 trait HasStorage
 {
-    public function storage(string $driver = null): StorageDriver
+    public function storage(string|null $driver = null): StorageDriver
     {
         $driver ??= config('telegraph.storage.default');
 
diff --git a/src/Contracts/Storable.php b/src/Contracts/Storable.php
index 901c483fa..2f7dd08c1 100644
--- a/src/Contracts/Storable.php
+++ b/src/Contracts/Storable.php
@@ -4,7 +4,7 @@
 
 interface Storable
 {
-    public function storage(string $driver = null): StorageDriver;
+    public function storage(string|null $driver = null): StorageDriver;
 
     public function storageKey(): string|int;
 }
diff --git a/src/DTO/InlineQueryResultContact.php b/src/DTO/InlineQueryResultContact.php
index 007388f04..b3d29378c 100644
--- a/src/DTO/InlineQueryResultContact.php
+++ b/src/DTO/InlineQueryResultContact.php
@@ -20,7 +20,7 @@ class InlineQueryResultContact extends InlineQueryResult
     protected string|null $thumbUrl = null;
     protected string|null $parseMode = null;
 
-    public static function make(string $id, string $phoneNumber, string $firstName, string $message = null): InlineQueryResultContact
+    public static function make(string $id, string $phoneNumber, string $firstName, string|null $message = null): InlineQueryResultContact
     {
         $result = new InlineQueryResultContact();
         $result->id = $id;
diff --git a/src/DTO/InlineQueryResultLocation.php b/src/DTO/InlineQueryResultLocation.php
index 3895ccf75..c81828d0b 100644
--- a/src/DTO/InlineQueryResultLocation.php
+++ b/src/DTO/InlineQueryResultLocation.php
@@ -23,7 +23,7 @@ class InlineQueryResultLocation extends InlineQueryResult
     protected float|null $horizontalAccuracy = null;
     protected string|null $parseMode = null;
 
-    public static function make(string $id, string $title, float $latitude, float $longitude, string $message = null): InlineQueryResultLocation
+    public static function make(string $id, string $title, float $latitude, float $longitude, string|null $message = null): InlineQueryResultLocation
     {
         $result = new InlineQueryResultLocation();
         $result->id = $id;
diff --git a/src/DTO/InlineQueryResultVenue.php b/src/DTO/InlineQueryResultVenue.php
index fa1177e15..7811da647 100644
--- a/src/DTO/InlineQueryResultVenue.php
+++ b/src/DTO/InlineQueryResultVenue.php
@@ -23,7 +23,7 @@ class InlineQueryResultVenue extends InlineQueryResult
     protected int|null $thumbWidth = null;
     protected int|null $thumbHeight = null;
 
-    public static function make(string $id, string $title, float $latitude, float $longitude, string $address, string $message = null): InlineQueryResultVenue
+    public static function make(string $id, string $title, float $latitude, float $longitude, string $address, string|null $message = null): InlineQueryResultVenue
     {
         $result = new InlineQueryResultVenue();
         $result->id = $id;
diff --git a/src/Models/TelegraphBot.php b/src/Models/TelegraphBot.php
index dd266c38c..a1749e0f7 100644
--- a/src/Models/TelegraphBot.php
+++ b/src/Models/TelegraphBot.php
@@ -36,6 +36,7 @@
  */
 class TelegraphBot extends Model implements Storable
 {
+    /** @use HasFactory<TelegraphBotFactory> */
     use HasFactory;
     use HasStorage;
 
@@ -72,7 +73,7 @@ public function getRouteKeyName(): string
         return 'token';
     }
 
-    public static function fromId(int $id = null): TelegraphBot
+    public static function fromId(int|null $id = null): TelegraphBot
     {
         if (empty($id)) {
             /** @noinspection PhpIncompatibleReturnTypeInspection */
@@ -93,7 +94,7 @@ public static function fromToken(string $token): TelegraphBot
     }
 
     /**
-     * @return HasMany<TelegraphChat>
+     * @return HasMany<TelegraphChat, $this>
      */
     public function chats(): HasMany
     {
@@ -101,7 +102,7 @@ public function chats(): HasMany
         return $this->hasMany(config('telegraph.models.chat'), 'telegraph_bot_id');
     }
 
-    public function registerWebhook(bool $dropPendingUpdates = null, int $maxConnections = null, string $secretToken = null): Telegraph
+    public function registerWebhook(bool|null $dropPendingUpdates = null, int|null $maxConnections = null, string|null $secretToken = null): Telegraph
     {
         return TelegraphFacade::bot($this)->registerWebhook($dropPendingUpdates, $maxConnections, $secretToken);
     }
@@ -167,7 +168,7 @@ public function getFileInfo(string $fileId): Telegraph
         return TelegraphFacade::bot($this)->getFileInfo($fileId);
     }
 
-    public function store(Downloadable|string $attachment, string $path, string $filename = null): string
+    public function store(Downloadable|string $attachment, string $path, string|null $filename = null): string
     {
         return TelegraphFacade::bot($this)->store($attachment, $path, $filename);
     }
@@ -182,7 +183,7 @@ public function url(): string
      *
      * @return \Illuminate\Support\Collection<int, TelegramUpdate>
      */
-    public function updates(int $timeout = null, int $offset = null, int $limit = null, array $allowedUpdates = null): \Illuminate\Support\Collection
+    public function updates(int|null $timeout = null, int|null $offset = null, int|null $limit = null, array|null $allowedUpdates = null): \Illuminate\Support\Collection
     {
         $reply = TelegraphFacade::bot($this)->botUpdates($timeout, $offset, $limit, $allowedUpdates)->send();
 
diff --git a/src/Models/TelegraphChat.php b/src/Models/TelegraphChat.php
index f5ffe065e..054045018 100644
--- a/src/Models/TelegraphChat.php
+++ b/src/Models/TelegraphChat.php
@@ -35,6 +35,7 @@
  */
 class TelegraphChat extends Model implements Storable
 {
+    /** @use HasFactory<TelegraphChatFactory> */
     use HasFactory;
     use HasStorage;
 
@@ -219,7 +220,7 @@ public function action(string $action): Telegraph
         return TelegraphFacade::chat($this)->chatAction($action);
     }
 
-    public function document(string $path, string $filename = null): Telegraph
+    public function document(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->document($path, $filename);
     }
@@ -229,7 +230,7 @@ public function location(float $latitude, float $longitude): Telegraph
         return TelegraphFacade::chat($this)->location(latitude: $latitude, longitude: $longitude);
     }
 
-    public function photo(string $path, string $filename = null): Telegraph
+    public function photo(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->photo($path, $filename);
     }
@@ -242,7 +243,7 @@ public function mediaGroup(array $media): Telegraph
         return TelegraphFacade::chat($this)->mediaGroup($media);
     }
 
-    public function sticker(string $path, string $filename = null): Telegraph
+    public function sticker(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->sticker($path, $filename);
     }
@@ -252,22 +253,22 @@ public function venue(float $latitude, float $longitude, string $title, string $
         return TelegraphFacade::chat($this)->venue($latitude,  $longitude,  $title,  $address);
     }
 
-    public function animation(string $path, string $filename = null): Telegraph
+    public function animation(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->animation($path, $filename);
     }
 
-    public function video(string $path, string $filename = null): Telegraph
+    public function video(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->video($path, $filename);
     }
 
-    public function audio(string $path, string $filename = null): Telegraph
+    public function audio(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->audio($path, $filename);
     }
 
-    public function voice(string $path, string $filename = null): Telegraph
+    public function voice(string $path, string|null $filename = null): Telegraph
     {
         return TelegraphFacade::chat($this)->voice($path, $filename);
     }
@@ -403,7 +404,7 @@ public function quiz(string $question): TelegraphQuizPayload
         return TelegraphFacade::chat($this)->quiz($question);
     }
 
-    public function dice(string $emoji = null): Telegraph
+    public function dice(string|null $emoji = null): Telegraph
     {
         return TelegraphFacade::chat($this)->dice($emoji);
     }
@@ -423,27 +424,27 @@ public function setMenuButton(): SetChatMenuButtonPayload
         return TelegraphFacade::chat($this)->setChatMenuButton();
     }
 
-    public function createForumTopic(string $name, int $iconColor = null, string $iconCustomEmojiId = null): Telegraph
+    public function createForumTopic(string $name, int|null $iconColor = null, string|null $iconCustomEmojiId = null): Telegraph
     {
         return TelegraphFacade::chat($this)->createForumTopic($name, $iconColor, $iconCustomEmojiId);
     }
 
-    public function editForumTopic(int $threadId = null, string $name = null, string $iconCustomEmojiId = null): Telegraph
+    public function editForumTopic(int|null $threadId = null, string|null $name = null, string|null $iconCustomEmojiId = null): Telegraph
     {
         return TelegraphFacade::chat($this)->editForumTopic($threadId, $name, $iconCustomEmojiId);
     }
 
-    public function closeForumTopic(int $threadId = null): Telegraph
+    public function closeForumTopic(int|null $threadId = null): Telegraph
     {
         return TelegraphFacade::chat($this)->closeForumTopic($threadId);
     }
 
-    public function reopenForumTopic(int $threadId = null): Telegraph
+    public function reopenForumTopic(int|null $threadId = null): Telegraph
     {
         return TelegraphFacade::chat($this)->reopenForumTopic($threadId);
     }
 
-    public function deleteForumTopic(int $threadId = null): Telegraph
+    public function deleteForumTopic(int|null $threadId = null): Telegraph
     {
         return TelegraphFacade::chat($this)->deleteForumTopic($threadId);
     }
diff --git a/src/ScopedPayloads/TelegraphEditMediaPayload.php b/src/ScopedPayloads/TelegraphEditMediaPayload.php
index 90c0aff0f..036dc8f42 100644
--- a/src/ScopedPayloads/TelegraphEditMediaPayload.php
+++ b/src/ScopedPayloads/TelegraphEditMediaPayload.php
@@ -10,7 +10,7 @@ class TelegraphEditMediaPayload extends \DefStudio\Telegraph\Telegraph
 {
     use BuildsFromTelegraphClass;
 
-    public function photo(string $path, string $filename = null): self
+    public function photo(string $path, string|null $filename = null): self
     {
         $telegraph = clone $this;
 
@@ -29,7 +29,7 @@ public function photo(string $path, string $filename = null): self
         return $telegraph;
     }
 
-    public function document(string $path, string $filename = null): self
+    public function document(string $path, string|null $filename = null): self
     {
         $telegraph = clone $this;
 
@@ -48,7 +48,7 @@ public function document(string $path, string $filename = null): self
         return $telegraph;
     }
 
-    public function animation(string $path, string $filename = null): self
+    public function animation(string $path, string|null $filename = null): self
     {
         $telegraph = clone $this;
 
@@ -67,7 +67,7 @@ public function animation(string $path, string $filename = null): self
         return $telegraph;
     }
 
-    public function video(string $path, string $filename = null): self
+    public function video(string $path, string|null $filename = null): self
     {
         $telegraph = clone $this;
 
@@ -86,7 +86,7 @@ public function video(string $path, string $filename = null): self
         return $telegraph;
     }
 
-    public function audio(string $path, string $filename = null): self
+    public function audio(string $path, string|null $filename = null): self
     {
         $telegraph = clone $this;
 
diff --git a/tests/Unit/Concerns/HasBotsAndChatsTest.php b/tests/Unit/Concerns/HasBotsAndChatsTest.php
index 606d68bf2..314ff55e7 100644
--- a/tests/Unit/Concerns/HasBotsAndChatsTest.php
+++ b/tests/Unit/Concerns/HasBotsAndChatsTest.php
@@ -123,31 +123,31 @@
     })->toMatchUtf8TelegramSnapshot();
 });
 
-test('photo is validated', function (string $path, bool $valid, string $exceptionClass = null, string $exceptionMessage = null, array $customConfigs = []) {
+test('photo is validated', function (string $fileName, bool $valid, string $exceptionClass = null, string $exceptionMessage = null, array $customConfigs = []) {
     foreach ($customConfigs as $key => $value) {
         Config::set($key, $value);
     }
 
     if ($valid) {
-        expect(make_chat()->setChatPhoto(Storage::path($path)))
+        expect(make_chat()->setChatPhoto(Storage::path($fileName)))
             ->toBeInstanceOf(\DefStudio\Telegraph\Telegraph::class);
     } else {
-        expect(fn () => make_chat()->photo(Storage::path($path)))
+        expect(fn () => make_chat()->photo(Storage::path($fileName)))
             ->toThrow($exceptionClass, $exceptionMessage);
     }
 })->with([
     'valid' => [
-        'file' => 'photo.jpg',
+        'fileName' => 'photo.jpg',
         'valid' => true,
     ],
     'invalid weight' => [
-        'file' => 'invalid_photo_size.jpg',
+        'fileName' => 'invalid_photo_size.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => 'Photo size (10.340000 Mb) exceeds max allowed size of 10.000000 MB',
     ],
     'valid custom weight' => [
-        'file' => 'invalid_photo_size.jpg',
+        'fileName' => 'invalid_photo_size.jpg',
         'valid' => true,
         'exception' => null,
         'message' => null,
@@ -156,7 +156,7 @@
         ],
     ],
     'invalid custom weight' => [
-        'file' => 'photo.jpg',
+        'fileName' => 'photo.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => 'Photo size (0.030000 Mb) exceeds max allowed size of 0.010000 MB',
@@ -165,13 +165,13 @@
         ],
     ],
     'invalid ratio' => [
-        'file' => 'invalid_photo_ratio_thin.jpg',
+        'fileName' => 'invalid_photo_ratio_thin.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => "Ratio of height and width (22.222222) exceeds max allowed ratio of 20.000000",
     ],
     'valid custom ratio' => [
-        'file' => 'invalid_photo_ratio_thin.jpg',
+        'fileName' => 'invalid_photo_ratio_thin.jpg',
         'valid' => true,
         'exception' => null,
         'message' => null,
@@ -180,7 +180,7 @@
         ],
     ],
     'invalid custom ratio' => [
-        'file' => 'photo.jpg',
+        'fileName' => 'photo.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => "Ratio of height and width (1.000000) exceeds max allowed ratio of 0.990000",
@@ -189,13 +189,13 @@
         ],
     ],
     'invalid size' => [
-        'file' => 'invalid_photo_ratio_huge.jpg',
+        'fileName' => 'invalid_photo_ratio_huge.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => 'Photo\'s sum of width and height (11000px) exceed allowed 10000px',
     ],
     'valid custom size' => [
-        'file' => 'invalid_photo_ratio_huge.jpg',
+        'fileName' => 'invalid_photo_ratio_huge.jpg',
         'valid' => true,
         'exception' => null,
         'message' => null,
@@ -204,7 +204,7 @@
         ],
     ],
     'invalid custom size' => [
-        'file' => 'photo.jpg',
+        'fileName' => 'photo.jpg',
         'valid' => false,
         'exception' => FileException::class,
         'message' => 'Photo\'s sum of width and height (800px) exceed allowed 799px',
diff --git a/tests/Unit/Storage/FileStoreDriverTest.php b/tests/Unit/Storage/FileStoreDriverTest.php
index 6a4b75e27..136e577ac 100644
--- a/tests/Unit/Storage/FileStoreDriverTest.php
+++ b/tests/Unit/Storage/FileStoreDriverTest.php
@@ -2,6 +2,7 @@
 
 use DefStudio\Telegraph\Models\TelegraphChat;
 use DefStudio\Telegraph\Tests\Unit\Storage\TestStorable;
+use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Str;
 
 beforeEach(function () {