diff --git a/composer.lock b/composer.lock
index 6c5de17..7577973 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "186587c765df966f0c8f7472cb42dd8c",
+    "content-hash": "8a48f72d362eaf188e2cba67903516a8",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.8.0",
+            "version": "7.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "1110f66a6530a40fe7aea0378fe608ee2b2248f9"
+                "reference": "41042bc7ab002487b876a0683fc8dce04ddce104"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/1110f66a6530a40fe7aea0378fe608ee2b2248f9",
-                "reference": "1110f66a6530a40fe7aea0378fe608ee2b2248f9",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/41042bc7ab002487b876a0683fc8dce04ddce104",
+                "reference": "41042bc7ab002487b876a0683fc8dce04ddce104",
                 "shasum": ""
             },
             "require": {
@@ -32,11 +32,11 @@
                 "psr/http-client-implementation": "1.0"
             },
             "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.8.1",
+                "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
                 "php-http/client-integration-tests": "dev-master#2c025848417c1135031fdf9c728ee53d0a7ceaee as 3.0.999",
                 "php-http/message-factory": "^1.1",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23",
+                "phpunit/phpunit": "^8.5.36 || ^9.6.15",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
             },
             "suggest": {
@@ -114,7 +114,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.8.0"
+                "source": "https://github.com/guzzle/guzzle/tree/7.8.1"
             },
             "funding": [
                 {
@@ -130,7 +130,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-08-27T10:20:53+00:00"
+            "time": "2023-12-03T20:35:24+00:00"
         },
         {
             "name": "guzzlehttp/promises",
diff --git a/src/Mailer.php b/src/Mailer.php
index 282b141..b55e404 100644
--- a/src/Mailer.php
+++ b/src/Mailer.php
@@ -51,7 +51,7 @@ public function __construct(
      * @param string|null $callback
      * @param bool $callbackOnSuccess Weather to call you back when the webhook accept this impulse
      * @param bool $callbackOnFailure Weather to call you back when the webhook reject this impulse or throws error handling it
-     * @return string
+     * @return MailerResponse
      * @throws GuzzleException
      * @throws RequestFailureException
      */
@@ -61,7 +61,7 @@ public function send(
         ?string $callback = null,
         bool    $callbackOnSuccess = false,
         bool    $callbackOnFailure = false,
-    ): string
+    ): MailerResponse
     {
         $this->withData([
             'mails' => $mails,
@@ -70,11 +70,9 @@ public function send(
             'callback_on_failure' => $callbackOnFailure,
         ]);
 
-        $response = MailerResponse::new(response: $this->client->post(
+        return MailerResponse::new(response: $this->client->post(
             uri: sprintf('applications/%s/mails', $appId),
             options: $this->getClientOptions(),
         ));
-
-        return $response->message();
     }
 }
\ No newline at end of file