diff --git a/config/elasticsearch.php b/config/elasticsearch.php
index c331071..ce20dca 100644
--- a/config/elasticsearch.php
+++ b/config/elasticsearch.php
@@ -2,6 +2,8 @@
 
 return [
     'host' => env('ELASTICSEARCH_HOST', 'localhost:9200'),
+    'username' => env('ELASTICSEARCH_USERNAME'),
+    'password' => env('ELASTICSEARCH_PASSWORD'),
     'index' => env('ELASTICSEARCH_INDEX', 'index'),
     'enabled' => env('ELASTICSEARCH_ENABLED', false),
     'models' => [
diff --git a/src/LaravelElasticServiceProvider.php b/src/LaravelElasticServiceProvider.php
index 66f4b12..af60847 100644
--- a/src/LaravelElasticServiceProvider.php
+++ b/src/LaravelElasticServiceProvider.php
@@ -35,7 +35,14 @@ public function configurePackage(Package $package): void
     public function packageRegistered(): void
     {
         $this->app->singleton(Client::class, function () {
-            return ClientBuilder::create()->setHosts([config('elasticsearch.host')])->build();
+            $builder = ClientBuilder::create()
+                ->setHosts([config('elasticsearch.host')]);
+
+            if (config('elasticsearch.username') && config('elasticsearch.password')) {
+                $builder->setBasicAuthentication(config('elasticsearch.username'), config('elasticsearch.password'));
+            }
+
+            return $builder->build();
         });
     }
 }