diff --git a/changelog.md b/changelog.md
index 4c15fcf..e7cc49b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### [5.0.0] - 2022-05-02
+### Added
+- add support laravel-wallet ^9.0
+
 ## [4.2.0] - 2022-02-08
 ### Added
 - add support laravel-wallet ^8.0
@@ -55,7 +59,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add class provider `RateServiceProvider`.
 - Add class rate for laravel-wallet `Rate`.
 
-[Unreleased]: https://github.com/bavix/laravel-wallet-swap/compare/4.2.0...develop
+[Unreleased]: https://github.com/bavix/laravel-wallet-swap/compare/5.0.0...develop
+[5.0.0]: https://github.com/bavix/laravel-wallet-swap/compare/4.2.0...5.0.0
 [4.2.0]: https://github.com/bavix/laravel-wallet-swap/compare/4.1.0...4.2.0
 [4.1.0]: https://github.com/bavix/laravel-wallet-swap/compare/4.0.0...4.1.0
 [4.0.0]: https://github.com/bavix/laravel-wallet-swap/compare/3.0.0...4.0.0
diff --git a/composer.json b/composer.json
index 9185f0b..4638755 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
   ],
   "require": {
     "php": "^8.0",
-    "bavix/laravel-wallet": "^8.0",
+    "bavix/laravel-wallet": "^9.0",
     "florianv/laravel-swap": "^2.2",
     "nyholm/psr7": "^1.3",
     "php-http/curl-client": "^2.1",
diff --git a/src/SwapExchangeService.php b/src/SwapExchangeService.php
index f196f3b..41b62f9 100644
--- a/src/SwapExchangeService.php
+++ b/src/SwapExchangeService.php
@@ -28,8 +28,6 @@ public function __construct(
     }
 
     /**
-     * @param float|int|string $amount
-     *
      * @throws CacheException
      * @throws NonBreakingInvalidArgumentException
      * @throws UnsupportedExchangeQueryException
@@ -38,7 +36,7 @@ public function __construct(
      * @throws SwapException
      * @throws SwapRuntimeException
      */
-    public function convertTo(string $fromCurrency, string $toCurrency, $amount): string
+    public function convertTo(string $fromCurrency, string $toCurrency, float|int|string $amount): string
     {
         return $this->mathService->mul($this->currencyService->rate($fromCurrency, $toCurrency), $amount);
     }