diff --git a/composer.json b/composer.json
index ff33af6..58e6421 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": "^8.3",
-        "illuminate/contracts": "^11.0||^10.0",
+        "illuminate/contracts": "^12.0||^11.4||^10.0",
         "soap/laravel-omise": "^1.1",
         "spatie/laravel-package-tools": "^1.16",
         "spatie/laravel-webhook-client": "^3.0"
@@ -26,14 +26,14 @@
     "require-dev": {
         "laravel/pint": "^1.14",
         "nunomaduro/collision": "^8.1.1||^7.10.0",
-        "larastan/larastan": "^2.9",
-        "orchestra/testbench": "^9.0.0||^8.22.0",
+        "larastan/larastan": "^2.9||^3.0",
+        "orchestra/testbench": "^10.0||^9.0.0||^8.22.0",
         "pestphp/pest": "^3.0||^2.0",
         "pestphp/pest-plugin-arch": "^3.0||^2.0",
         "pestphp/pest-plugin-laravel": "^3.0||^2.0",
         "phpstan/extension-installer": "^1.3",
-        "phpstan/phpstan-deprecation-rules": "^1.1",
-        "phpstan/phpstan-phpunit": "^1.3",
+        "phpstan/phpstan-deprecation-rules": "^1.1||^2.0",
+        "phpstan/phpstan-phpunit": "^1.3||^2.0",
         "spatie/laravel-ray": "^1.35"
     },
     "autoload": {
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 3583776..bdeb4c8 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -10,3 +10,7 @@ parameters:
     tmpDir: build/phpstan
     checkOctaneCompatibility: true
     checkModelProperties: true
+    ignoreErrors:
+        - 
+            message: "#Called 'env' outside of the config directory#"
+            path: config/omise-webhooks.php
diff --git a/src/OmiseSignatureValidator.php b/src/OmiseSignatureValidator.php
index 7bfbad6..1cffc83 100644
--- a/src/OmiseSignatureValidator.php
+++ b/src/OmiseSignatureValidator.php
@@ -3,6 +3,7 @@
 namespace Soap\OmiseWebhooks;
 
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Http;
 use Spatie\WebhookClient\SignatureValidator\SignatureValidator;
 use Spatie\WebhookClient\WebhookConfig;
 
@@ -23,7 +24,7 @@ public function isValid(Request $request, WebhookConfig $config): bool
         return false;
     }
 
-    protected function getWebhookIps(): string
+    protected function getWebhookIps(): array
     {
         $defindedIps = [
             '54.169.118.227',