diff --git a/src/ServiceProvider.php b/src/ServiceProvider.php
index ac941ec..78be820 100644
--- a/src/ServiceProvider.php
+++ b/src/ServiceProvider.php
@@ -26,12 +26,10 @@ public function boot(): void
 
     private function registerRules(): void
     {
-        $validator = $this->app->make(Validator::class);
-
         foreach ($this->rules as $rule) {
             $rule = $this->app->make($rule);
             $alias = $rule->getAlias();
-            $validator->extend($alias, $rule . '@passes', $rule->message());
+            Validator::extend($alias, $rule . '@passes', $rule->message());
         }
     }
 }