diff --git a/backend/composer.json b/backend/composer.json
index 963a5a9..670dde0 100644
--- a/backend/composer.json
+++ b/backend/composer.json
@@ -26,7 +26,7 @@
         "symfony/flex": "^2",
         "symfony/framework-bundle": "7.3.*",
         "symfony/http-client": "7.3.*",
-        "symfony/mailer": "7.3.*",
+        "symfony/mailer": "7.4.*",
         "symfony/maker-bundle": "^1.64",
         "symfony/monolog-bundle": "^4.0",
         "symfony/property-access": "7.3.*",
diff --git a/backend/composer.lock b/backend/composer.lock
index d5b7b53..f79769c 100644
--- a/backend/composer.lock
+++ b/backend/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": "62463b2cabd037b983c4494a7d31b913",
+    "content-hash": "ab850476d791f47b942d54c6cacee843",
     "packages": [
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             "name": "api-platform/doctrine-common",
@@ -1450,29 +1450,29 @@
         },
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             "name": "doctrine/deprecations",
-            "version": "1.1.5",
+            "version": "1.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/deprecations.git",
-                "reference": "459c2f5dd3d6a4633d3b5f46ee2b1c40f57d3f38"
+                "reference": "d4fe3e6fd9bb9e72557a19674f44d8ac7db4c6ca"
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-                "reference": "459c2f5dd3d6a4633d3b5f46ee2b1c40f57d3f38",
+                "url": "https://api.github.com/repos/doctrine/deprecations/zipball/d4fe3e6fd9bb9e72557a19674f44d8ac7db4c6ca",
+                "reference": "d4fe3e6fd9bb9e72557a19674f44d8ac7db4c6ca",
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             "require": {
                 "php": "^7.1 || ^8.0"
             },
             "conflict": {
-                "phpunit/phpunit": "<=7.5 || >=13"
+                "phpunit/phpunit": "<=7.5 || >=14"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^9 || ^12 || ^13",
-                "phpstan/phpstan": "1.4.10 || 2.1.11",
+                "doctrine/coding-standard": "^9 || ^12 || ^14",
+                "phpstan/phpstan": "1.4.10 || 2.1.30",
                 "phpstan/phpstan-phpunit": "^1.0 || ^2",
-                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6 || ^10.5 || ^11.5 || ^12",
+                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6 || ^10.5 || ^11.5 || ^12.4 || ^13.0",
                 "psr/log": "^1 || ^2 || ^3"
             },
             "suggest": {
@@ -1492,9 +1492,9 @@
             "homepage": "https://www.doctrine-project.org/",
             "support": {
                 "issues": "https://github.com/doctrine/deprecations/issues",
-                "source": "https://github.com/doctrine/deprecations/tree/1.1.5"
+                "source": "https://github.com/doctrine/deprecations/tree/1.1.6"
             },
-            "time": "2025-04-07T20:06:18+00:00"
+            "time": "2026-02-07T07:09:04+00:00"
         },
         {
             "name": "doctrine/doctrine-bundle",
@@ -5483,16 +5483,16 @@
         },
         {
             "name": "symfony/mailer",
-            "version": "v7.3.10",
+            "version": "v7.4.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mailer.git",
-                "reference": "08a5b0114057fdfa3fd3e8fa3d7233a48e9363b9"
+                "reference": "5cefb712a25f320579615ba9e1942abaeade7dff"
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-                "reference": "08a5b0114057fdfa3fd3e8fa3d7233a48e9363b9",
+                "url": "https://api.github.com/repos/symfony/mailer/zipball/5cefb712a25f320579615ba9e1942abaeade7dff",
+                "reference": "5cefb712a25f320579615ba9e1942abaeade7dff",
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@@ -5500,8 +5500,8 @@
                 "php": ">=8.2",
                 "psr/event-dispatcher": "^1",
                 "psr/log": "^1|^2|^3",
-                "symfony/event-dispatcher": "^6.4|^7.0",
-                "symfony/mime": "^7.2",
+                "symfony/event-dispatcher": "^6.4|^7.0|^8.0",
+                "symfony/mime": "^7.2|^8.0",
                 "symfony/service-contracts": "^2.5|^3"
             },
             "conflict": {
@@ -5512,10 +5512,10 @@
                 "symfony/twig-bridge": "<6.4"
             },
             "require-dev": {
-                "symfony/console": "^6.4|^7.0",
-                "symfony/http-client": "^6.4|^7.0",
-                "symfony/messenger": "^6.4|^7.0",
-                "symfony/twig-bridge": "^6.4|^7.0"
+                "symfony/console": "^6.4|^7.0|^8.0",
+                "symfony/http-client": "^6.4|^7.0|^8.0",
+                "symfony/messenger": "^6.4|^7.0|^8.0",
+                "symfony/twig-bridge": "^6.4|^7.0|^8.0"
             },
             "type": "library",
             "autoload": {
@@ -5543,7 +5543,7 @@
             "description": "Helps sending emails",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/mailer/tree/v7.3.10"
+                "source": "https://github.com/symfony/mailer/tree/v7.4.12"
             },
             "funding": [
                 {
@@ -5563,7 +5563,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-01-07T22:18:08+00:00"
+            "time": "2026-05-20T07:20:23+00:00"
         },
         {
             "name": "symfony/maker-bundle",
@@ -5660,26 +5660,27 @@
         },
         {
             "name": "symfony/mime",
-            "version": "v7.3.11",
+            "version": "v7.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mime.git",
-                "reference": "c41a60e3e76e87897800853ca5e8f5e6bfca5476"
+                "reference": "a845722765c4f6b2ce88beaf4f4479975b186770"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/mime/zipball/c41a60e3e76e87897800853ca5e8f5e6bfca5476",
-                "reference": "c41a60e3e76e87897800853ca5e8f5e6bfca5476",
+                "url": "https://api.github.com/repos/symfony/mime/zipball/a845722765c4f6b2ce88beaf4f4479975b186770",
+                "reference": "a845722765c4f6b2ce88beaf4f4479975b186770",
                 "shasum": ""
             },
             "require": {
                 "php": ">=8.2",
+                "symfony/deprecation-contracts": "^2.5|^3",
                 "symfony/polyfill-intl-idn": "^1.10",
                 "symfony/polyfill-mbstring": "^1.0"
             },
             "conflict": {
                 "egulias/email-validator": "~3.0.0",
-                "phpdocumentor/reflection-docblock": "<5.2|>=6",
+                "phpdocumentor/reflection-docblock": "<5.2|>=7",
                 "phpdocumentor/type-resolver": "<1.5.1",
                 "symfony/mailer": "<6.4",
                 "symfony/serializer": "<6.4.3|>7.0,<7.0.3"
@@ -5687,12 +5688,12 @@
             "require-dev": {
                 "egulias/email-validator": "^2.1.10|^3.1|^4",
                 "league/html-to-markdown": "^5.0",
-                "phpdocumentor/reflection-docblock": "^5.2",
-                "symfony/dependency-injection": "^6.4|^7.0",
-                "symfony/process": "^6.4|^7.0",
-                "symfony/property-access": "^6.4|^7.0",
-                "symfony/property-info": "^6.4|^7.0",
-                "symfony/serializer": "^6.4.3|^7.0.3"
+                "phpdocumentor/reflection-docblock": "^5.2|^6.0",
+                "symfony/dependency-injection": "^6.4|^7.0|^8.0",
+                "symfony/process": "^6.4|^7.0|^8.0",
+                "symfony/property-access": "^6.4|^7.0|^8.0",
+                "symfony/property-info": "^6.4|^7.0|^8.0",
+                "symfony/serializer": "^6.4.3|^7.0.3|^8.0"
             },
             "type": "library",
             "autoload": {
@@ -5724,7 +5725,7 @@
                 "mime-type"
             ],
             "support": {
-                "source": "https://github.com/symfony/mime/tree/v7.3.11"
+                "source": "https://github.com/symfony/mime/tree/v7.4.13"
             },
             "funding": [
                 {
@@ -5744,7 +5745,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-01-27T08:34:37+00:00"
+            "time": "2026-05-23T16:22:37+00:00"
         },
         {
             "name": "symfony/monolog-bridge",