diff --git a/composer.lock b/composer.lock
index 748d2a4..45af71c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3868,6 +3868,61 @@
             "description": "A pack for the Doctrine ORM",
             "time": "2017-12-12T01:47:50+00:00"
         },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.8.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "7cc359f1b7b80fc25ed7796be7d96adc9b354bae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/7cc359f1b7b80fc25ed7796be7d96adc9b354bae",
+                "reference": "7cc359f1b7b80fc25ed7796be7d96adc9b354bae",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.8-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-04-30T19:57:29+00:00"
+        },
         {
             "name": "symfony/polyfill-intl-icu",
             "version": "v1.7.0",
@@ -4338,20 +4393,21 @@
         },
         {
             "name": "symfony/serializer",
-            "version": "v4.0.9",
+            "version": "v4.0.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/serializer.git",
-                "reference": "d0e9269101ccd978af971fd4d7a892848672bfa1"
+                "reference": "c97f5aa240ff957ea8ca007d85b0521bbf198647"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/serializer/zipball/d0e9269101ccd978af971fd4d7a892848672bfa1",
-                "reference": "d0e9269101ccd978af971fd4d7a892848672bfa1",
+                "url": "https://api.github.com/repos/symfony/serializer/zipball/c97f5aa240ff957ea8ca007d85b0521bbf198647",
+                "reference": "c97f5aa240ff957ea8ca007d85b0521bbf198647",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3"
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
                 "phpdocumentor/type-resolver": "<0.2.1",
@@ -4412,7 +4468,7 @@
             ],
             "description": "Symfony Serializer Component",
             "homepage": "https://symfony.com",
-            "time": "2018-03-19T17:30:36+00:00"
+            "time": "2018-05-11T15:58:37+00:00"
         },
         {
             "name": "symfony/swiftmailer-bundle",