diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 2f587b4..0335c73 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [ '8.3', '8.4' ]
+        php: [ '8.3', '8.4', '8.5' ]
 
     name: PHP ${{ matrix.php }} - Tests
 
diff --git a/README.md b/README.md
index 362ebec..8c31550 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Wati HTTP Client
 
 [![CI](https://github.com/phpjuice/wati-http-client/actions/workflows/php.yml/badge.svg)](https://github.com/phpjuice/wati-http-client/actions/workflows/php.yml)
-[![PHP Version](https://img.shields.io/badge/PHP-8.3%20%7C%208.4-777BB4?logo=php&logoColor=white)](https://php.net)
+[![PHP Version](https://img.shields.io/badge/PHP-8.3%20%7C%208.4%20%7C%208.5-777BB4?logo=php&logoColor=white)](https://php.net)
 [![Latest Stable Version](http://poser.pugx.org/phpjuice/wati-http-client/v)](https://packagist.org/packages/phpjuice/wati-http-client)
 [![Total Downloads](http://poser.pugx.org/phpjuice/wati-http-client/downloads)](https://packagist.org/packages/phpjuice/wati-http-client)
 [![License](http://poser.pugx.org/phpjuice/wati-http-client/license)](https://packagist.org/packages/phpjuice/wati-http-client)
@@ -15,7 +15,7 @@ For a higher-level, feature-rich integration, consider using [wati-sdk](https://
 
 ## Installation
 
-This package requires PHP 8.3 or higher.
+This package requires PHP 8.3 or higher (8.3, 8.4, and 8.5 are supported).
 
 ```bash
 composer require "phpjuice/wati-http-client"
diff --git a/composer.json b/composer.json
index ba91270..c0ac5f7 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         }
     ],
     "require": {
-        "php": "^8.3 || ^8.4",
+        "php": "^8.3 || ^8.4 || ^8.5",
         "ext-json": "*",
         "guzzlehttp/psr7": "^2.0",
         "guzzlehttp/guzzle": "^7.0"