diff --git a/composer.json b/composer.json
index 48631199..7048ec54 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
     "symfony/polyfill-mbstring": "^1.14.0",
     "symfony/property-access": "4.4.*",
     "symfony/property-info": "4.4.*",
-    "symfony/serializer": "4.4.*",
+    "symfony/serializer": "5.3.*",
     "symfony/swiftmailer-bundle": "^3.3.1",
     "symfony/templating": "4.4.*",
     "symfony/yaml": "4.4.*",
diff --git a/composer.lock b/composer.lock
index 4238fb7b..3ff5cb80 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": "9d9fc6be8876a557dfe71fcd4e83cf1b",
+    "content-hash": "02b2a249afb6ea215ee9e1b84f4209eb",
     "packages": [
         {
             "name": "behat/transliterator",
@@ -7920,52 +7920,60 @@
         },
         {
             "name": "symfony/serializer",
-            "version": "v4.4.47",
+            "version": "v5.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/serializer.git",
-                "reference": "6e01d63c55657930a6de03d6e36aae50af98888d"
+                "reference": "c8b06eeea68ea0fd0878cde880e65d5d6fa01464"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/serializer/zipball/6e01d63c55657930a6de03d6e36aae50af98888d",
-                "reference": "6e01d63c55657930a6de03d6e36aae50af98888d",
+                "url": "https://api.github.com/repos/symfony/serializer/zipball/c8b06eeea68ea0fd0878cde880e65d5d6fa01464",
+                "reference": "c8b06eeea68ea0fd0878cde880e65d5d6fa01464",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.1.3",
+                "php": ">=7.2.5",
+                "symfony/deprecation-contracts": "^2.1",
                 "symfony/polyfill-ctype": "~1.8",
-                "symfony/polyfill-php80": "^1.16"
+                "symfony/polyfill-php80": "^1.15"
             },
             "conflict": {
-                "phpdocumentor/reflection-docblock": "<3.0|>=3.2.0,<3.2.2",
-                "phpdocumentor/type-resolver": "<0.3.0|1.3.*",
-                "symfony/dependency-injection": "<3.4",
-                "symfony/property-access": "<3.4",
-                "symfony/property-info": "<3.4",
-                "symfony/yaml": "<3.4"
+                "doctrine/annotations": "<1.12",
+                "phpdocumentor/reflection-docblock": "<3.2.2",
+                "phpdocumentor/type-resolver": "<1.4.0",
+                "symfony/dependency-injection": "<4.4",
+                "symfony/property-access": "<4.4",
+                "symfony/property-info": "<4.4",
+                "symfony/yaml": "<4.4"
             },
             "require-dev": {
-                "doctrine/annotations": "^1.10.4",
+                "doctrine/annotations": "^1.12",
                 "phpdocumentor/reflection-docblock": "^3.2|^4.0|^5.0",
-                "symfony/cache": "^3.4|^4.0|^5.0",
-                "symfony/config": "^3.4|^4.0|^5.0",
-                "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+                "symfony/cache": "^4.4|^5.0",
+                "symfony/config": "^4.4|^5.0",
+                "symfony/dependency-injection": "^4.4|^5.0",
                 "symfony/error-handler": "^4.4|^5.0",
-                "symfony/http-foundation": "^3.4|^4.0|^5.0",
+                "symfony/filesystem": "^4.4|^5.0",
+                "symfony/form": "^4.4|^5.0",
+                "symfony/http-foundation": "^4.4|^5.0",
+                "symfony/http-kernel": "^4.4|^5.0",
                 "symfony/mime": "^4.4|^5.0",
-                "symfony/property-access": "^4.4.36|^5.3.13",
-                "symfony/property-info": "^3.4.13|~4.0|^5.0",
-                "symfony/validator": "^3.4|^4.0|^5.0",
-                "symfony/yaml": "^3.4|^4.0|^5.0"
+                "symfony/property-access": "^4.4.9|^5.0.9",
+                "symfony/property-info": "^5.3",
+                "symfony/uid": "^5.1",
+                "symfony/validator": "^4.4|^5.0",
+                "symfony/var-dumper": "^4.4|^5.0",
+                "symfony/var-exporter": "^4.4|^5.0",
+                "symfony/yaml": "^4.4|^5.0"
             },
             "suggest": {
-                "doctrine/annotations": "For using the annotation mapping.",
                 "psr/cache-implementation": "For using the metadata cache.",
                 "symfony/config": "For using the XML mapping loader.",
-                "symfony/http-foundation": "For using a MIME type guesser within the DataUriNormalizer.",
+                "symfony/mime": "For using a MIME type guesser within the DataUriNormalizer.",
                 "symfony/property-access": "For using the ObjectNormalizer.",
                 "symfony/property-info": "To deserialize relations.",
+                "symfony/var-exporter": "For using the metadata compiler.",
                 "symfony/yaml": "For using the default YAML mapping loader."
             },
             "type": "library",
@@ -7994,7 +8002,7 @@
             "description": "Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/serializer/tree/v4.4.47"
+                "source": "https://github.com/symfony/serializer/tree/v5.3.0"
             },
             "funding": [
                 {
@@ -8010,7 +8018,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-09-19T08:38:33+00:00"
+            "time": "2021-05-26T17:43:10+00:00"
         },
         {
             "name": "symfony/service-contracts",