diff --git a/composer.json b/composer.json
index ccc2252..3cc2847 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "ext-grpc": "*",
         "ext-sockets": "*",
         "ext-curl": "*",
-        "phpmailer/phpmailer": "6.9.3",
+        "phpmailer/phpmailer": "6.10.0",
         "grpc/grpc": "1.57.0",
         "google/protobuf": "4.30.2"
     }
diff --git a/composer.lock b/composer.lock
index 29de64e..986ceb1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a0fbd61687f93749e884d8709617413a",
+    "content-hash": "f4126fa364f64e6a869a0ef409165e37",
     "packages": [
         {
             "name": "google/protobuf",
@@ -96,16 +96,16 @@
         },
         {
             "name": "phpmailer/phpmailer",
-            "version": "v6.9.3",
+            "version": "v6.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPMailer/PHPMailer.git",
-                "reference": "2f5c94fe7493efc213f643c23b1b1c249d40f47e"
+                "reference": "bf74d75a1fde6beaa34a0ddae2ec5fce0f72a144"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/2f5c94fe7493efc213f643c23b1b1c249d40f47e",
-                "reference": "2f5c94fe7493efc213f643c23b1b1c249d40f47e",
+                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/bf74d75a1fde6beaa34a0ddae2ec5fce0f72a144",
+                "reference": "bf74d75a1fde6beaa34a0ddae2ec5fce0f72a144",
                 "shasum": ""
             },
             "require": {
@@ -165,7 +165,7 @@
             "description": "PHPMailer is a full-featured email creation and transfer class for PHP",
             "support": {
                 "issues": "https://github.com/PHPMailer/PHPMailer/issues",
-                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.9.3"
+                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.10.0"
             },
             "funding": [
                 {
@@ -173,7 +173,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-11-24T18:04:13+00:00"
+            "time": "2025-04-24T15:19:31+00:00"
         }
     ],
     "packages-dev": [],