diff --git a/backend/composer.lock b/backend/composer.lock
index 1ca9bf0..84ba1a2 100644
--- a/backend/composer.lock
+++ b/backend/composer.lock
@@ -393,16 +393,16 @@
         },
         {
             "name": "phpmailer/phpmailer",
-            "version": "v6.6.3",
+            "version": "v6.6.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPMailer/PHPMailer.git",
-                "reference": "9400f305a898f194caff5521f64e5dfa926626f3"
+                "reference": "8b6386d7417526d1ea4da9edb70b8352f7543627"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/9400f305a898f194caff5521f64e5dfa926626f3",
-                "reference": "9400f305a898f194caff5521f64e5dfa926626f3",
+                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/8b6386d7417526d1ea4da9edb70b8352f7543627",
+                "reference": "8b6386d7417526d1ea4da9edb70b8352f7543627",
                 "shasum": ""
             },
             "require": {
@@ -426,8 +426,8 @@
                 "hayageek/oauth2-yahoo": "Needed for Yahoo XOAUTH2 authentication",
                 "league/oauth2-google": "Needed for Google XOAUTH2 authentication",
                 "psr/log": "For optional PSR-3 debug logging",
-                "stevenmaguire/oauth2-microsoft": "Needed for Microsoft XOAUTH2 authentication",
-                "symfony/polyfill-mbstring": "To support UTF-8 if the Mbstring PHP extension is not enabled (^1.2)"
+                "symfony/polyfill-mbstring": "To support UTF-8 if the Mbstring PHP extension is not enabled (^1.2)",
+                "thenetworg/oauth2-azure": "Needed for Microsoft XOAUTH2 authentication"
             },
             "type": "library",
             "autoload": {
@@ -459,7 +459,7 @@
             "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/v6.6.3"
+                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.6.5"
             },
             "funding": [
                 {
@@ -467,7 +467,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-06-20T09:21:02+00:00"
+            "time": "2022-10-07T12:23:10+00:00"
         },
         {
             "name": "psr/http-client",