diff --git a/README.md b/README.md
index c2b3b57..3289e1e 100644
--- a/README.md
+++ b/README.md
@@ -150,7 +150,7 @@ Route::post('/pay', [
 OR
 
 ```php
-// Laravel 8
+// Laravel 8 & 9
 Route::post('/pay', [App\Http\Controllers\PaymentController::class, 'redirectToGateway'])->name('pay');
 ```
 
@@ -171,7 +171,7 @@ Route::get('payment/callback', [
 OR
 
 ```php
-// Laravel 8
+// Laravel 8 & 9
 Route::get('/payment/callback', [App\Http\Controllers\PaymentController::class, 'handleGatewayCallback']);
 ```
 
diff --git a/composer.json b/composer.json
index 98db5e4..1aea8b3 100644
--- a/composer.json
+++ b/composer.json
@@ -27,9 +27,9 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": "^7.2|^8.0",
-    "illuminate/support": "~6|~7|~8",
-    "guzzlehttp/guzzle": "~6|~7|~8"
+    "php": "^7.2|^8.0|^8.1",
+    "illuminate/support": "~6|~7|~8|~9",
+    "guzzlehttp/guzzle": "~6|~7|~8|~9"
   },
   "require-dev": {
     "phpunit/phpunit": "^8.4|^9.0",