diff --git a/composer.lock b/composer.lock
index eb7b8d6..e113a7f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
     "content-hash": "ada28343034e41c77a55ecc5b6afee46",
@@ -2670,16 +2670,16 @@
         },
         {
             "name": "symfony/http-foundation",
-            "version": "v2.7.48",
+            "version": "v2.7.51",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "c47d54254ee334121d0b27c6b06591b8afbfb8bd"
+                "reference": "b67e5cbd2bf837fb3681f2c4965826d6c6758532"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/c47d54254ee334121d0b27c6b06591b8afbfb8bd",
-                "reference": "c47d54254ee334121d0b27c6b06591b8afbfb8bd",
+                "url": "https://api.github.com/repos/symfony/http-foundation/zipball/b67e5cbd2bf837fb3681f2c4965826d6c6758532",
+                "reference": "b67e5cbd2bf837fb3681f2c4965826d6c6758532",
                 "shasum": ""
             },
             "require": {
@@ -2722,7 +2722,10 @@
             ],
             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2018-05-25T10:53:06+00:00"
+            "support": {
+                "source": "https://github.com/symfony/http-foundation/tree/2.7"
+            },
+            "time": "2019-04-16T09:58:21+00:00"
         },
         {
             "name": "symfony/http-kernel",
@@ -2865,16 +2868,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.8.0",
+            "version": "v1.19.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "3296adf6a6454a050679cde90f95350ad604b171"
+                "reference": "b5f7b932ee6fa802fc792eabd77c4c88084517ce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/3296adf6a6454a050679cde90f95350ad604b171",
-                "reference": "3296adf6a6454a050679cde90f95350ad604b171",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b5f7b932ee6fa802fc792eabd77c4c88084517ce",
+                "reference": "b5f7b932ee6fa802fc792eabd77c4c88084517ce",
                 "shasum": ""
             },
             "require": {
@@ -2886,7 +2889,11 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8-dev"
+                    "dev-main": "1.19-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
@@ -2920,7 +2927,24 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-04-26T10:06:28+00:00"
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.19.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-23T09:01:57+00:00"
         },
         {
             "name": "symfony/process",
@@ -4276,5 +4300,6 @@
     "platform-dev": [],
     "platform-overrides": {
         "php": "7.0.0"
-    }
+    },
+    "plugin-api-version": "2.1.0"
 }