diff --git a/README.md b/README.md
index 8ca7467..04737fc 100644
--- a/README.md
+++ b/README.md
@@ -4,5 +4,7 @@
 [![PHP v7.2](https://img.shields.io/badge/php-v7.2-green.svg)](http://www.php.net)
 [![PHP v7.3](https://img.shields.io/badge/php-v7.3-green.svg)](http://www.php.net)
 [![PHP v7.4](https://img.shields.io/badge/php-v7.4-green.svg)](http://www.php.net)
+[![PHP v8.0](https://img.shields.io/badge/php-v8.0-green.svg)](http://www.php.net)
+[![PHP v8.1](https://img.shields.io/badge/php-v8.1-green.svg)](http://www.php.net)
 
 Client library used by QENTA Checkout Page and Seamless plugins for payment processing.
diff --git a/composer.json b/composer.json
index 194b58b..0456c1c 100755
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         "docs": "https://guides.qenta.com"
     },
     "require": {
-        "php": "~7.2.5|~7.3.0|~7.4.0",
+        "php": "~7.2.5|~7.3.0|~7.4.0|~8.0.0|~8.1.0",
         "guzzlehttp/guzzle": "~6.5.5|~7.2",
         "mobiledetect/mobiledetectlib": "^2.8"
     },