diff --git a/src/ClientBuilder.php b/src/ClientBuilder.php
index ea78668..adf6086 100644
--- a/src/ClientBuilder.php
+++ b/src/ClientBuilder.php
@@ -14,7 +14,7 @@ class ClientBuilder implements ClientBuilderInterface
      */
     protected array $cache;
 
-    public function default(): ClientInterface
+    public function default(): Client
     {
         $name = config('elastic.client.default');
 
@@ -25,7 +25,7 @@ public function default(): ClientInterface
         return $this->connection($name);
     }
 
-    public function connection(string $name): ClientInterface
+    public function connection(string $name): Client
     {
         if (isset($this->cache[$name])) {
             return $this->cache[$name];
diff --git a/src/ClientBuilderInterface.php b/src/ClientBuilderInterface.php
index b0d487a..029118a 100644
--- a/src/ClientBuilderInterface.php
+++ b/src/ClientBuilderInterface.php
@@ -2,11 +2,11 @@
 
 namespace Elastic\Client;
 
-use Elastic\Elasticsearch\ClientInterface;
+use Elastic\Elasticsearch\Client;
 
 interface ClientBuilderInterface
 {
-    public function default(): ClientInterface;
+    public function default(): Client;
 
-    public function connection(string $name): ClientInterface;
+    public function connection(string $name): Client;
 }