diff --git a/composer.json b/composer.json
index 826a277..87dde3b 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2",
+        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2 || ^8.3 || ^8.4",
         "psr/http-client": "^1.0"
     },
     "require-dev": {
@@ -64,7 +64,7 @@
             "[ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/cghooks add"
         ],
         "analyse": "phpstan analyse --memory-limit 300M",
-        "cs-fix": "php-cs-fixer fix",
+        "cs-fix": "PHP_CS_FIXER_IGNORE_ENV=1 php-cs-fixer fix",
         "test": "phpunit --no-coverage"
     }
 }
diff --git a/src/Choir/Http/Response.php b/src/Choir/Http/Response.php
index 3ef6052..6b952cf 100644
--- a/src/Choir/Http/Response.php
+++ b/src/Choir/Http/Response.php
@@ -35,7 +35,7 @@ class Response implements ResponseInterface
      * @param string                               $version Protocol version
      * @param null|string                          $reason  Reason phrase (when empty a default will be used based on the status code)
      */
-    public function __construct($status = 200, array $headers = [], $body = null, string $version = '1.1', string $reason = null)
+    public function __construct($status = 200, array $headers = [], $body = null, string $version = '1.1', ?string $reason = null)
     {
         // If we got nobody, defer initialization of the stream until Response::getBody()
         if ($body !== '' && $body !== null) {
diff --git a/src/Choir/Http/UploadedFile.php b/src/Choir/Http/UploadedFile.php
index 8444c33..0e66cc0 100644
--- a/src/Choir/Http/UploadedFile.php
+++ b/src/Choir/Http/UploadedFile.php
@@ -22,7 +22,7 @@ class UploadedFile implements UploadedFileInterface
      * @var null|string
      */
     private $file;
-    
+
     private string $key;
 
     private bool $moved = false;
@@ -53,7 +53,7 @@ class UploadedFile implements UploadedFileInterface
             $this->file = $this->fileinfo['tmp_name'];
         }
     }
-    
+
     public function getKey(): string
     {
         return $this->key;
diff --git a/src/Choir/globals.php b/src/Choir/globals.php
index 7605777..ada29b3 100644
--- a/src/Choir/globals.php
+++ b/src/Choir/globals.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-const CHOIR_PSR_HTTP_VERSION = '1.0.2';
+const CHOIR_PSR_HTTP_VERSION = '1.0.3';
 
 // Choir TCP 连接状态
 const CHOIR_TCP_INITIAL = 0;