diff --git a/composer.json b/composer.json
index 2067b69572..42535abb0b 100644
--- a/composer.json
+++ b/composer.json
@@ -20,9 +20,10 @@
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         "ext-libxml": "*",
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-        "symfony/polyfill-iconv": "^1.20",
-        "symfony/polyfill-php74": "^1.20",
-        "symfony/polyfill-php80": "^1.20",
+        "symfony/polyfill-iconv": "^1.23",
+        "symfony/polyfill-php74": "^1.23",
+        "symfony/polyfill-php80": "^1.23",
+        "symfony/polyfill-php81": "^1.23",
         "psr/simple-cache": "^1.0",
         "psr/http-message": "^1.0",
         "psr/http-server-middleware": "^1.0",
diff --git a/composer.lock b/composer.lock
index dbf6a60654..3b66c8a462 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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     ],
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+    "content-hash": "072f00e1bf64b4ef43f7125fe80b15a7",
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             "name": "antoligy/dom-string-iterators",
@@ -2988,6 +2988,85 @@
             ],
             "time": "2021-07-28T13:41:28+00:00"
         },
+        {
+            "name": "symfony/polyfill-php81",
+            "version": "v1.23.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php81.git",
+                "reference": "e66119f3de95efc359483f810c4c3e6436279436"
+            },
+            "dist": {
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+                "url": "https://api.github.com/repos/symfony/polyfill-php81/zipball/e66119f3de95efc359483f810c4c3e6436279436",
+                "reference": "e66119f3de95efc359483f810c4c3e6436279436",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php81\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ],
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php81/tree/v1.23.0"
+            },
+            "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": "2021-05-21T13:25:03+00:00"
+        },
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             "name": "symfony/process",
             "version": "v4.4.30",
@@ -4601,16 +4680,16 @@
         },
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-            "version": "1.0.2",
+            "version": "1.1.2",
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                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91"
+                "reference": "bcea0ae85868a89d5789c75f012c93129f842934"
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-                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/bcea0ae85868a89d5789c75f012c93129f842934",
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@@ -4641,7 +4720,7 @@
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             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.0.2"
+                "source": "https://github.com/phpstan/phpstan/tree/1.1.2"
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@@ -4661,7 +4740,7 @@
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                 }
             ],
-            "time": "2021-11-03T16:09:51+00:00"
+            "time": "2021-11-09T12:41:09+00:00"
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         {
             "name": "phpstan/phpstan-deprecation-rules",
@@ -5615,16 +5694,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "4.0.3",
+            "version": "4.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "d89cc98761b8cb5a1a235a6b703ae50d34080e65"
+                "reference": "65e8b7db476c5dd267e65eea9cab77584d3cfff9"
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-                "reference": "d89cc98761b8cb5a1a235a6b703ae50d34080e65",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/65e8b7db476c5dd267e65eea9cab77584d3cfff9",
+                "reference": "65e8b7db476c5dd267e65eea9cab77584d3cfff9",
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@@ -5673,14 +5752,14 @@
                 }
             ],
             "description": "Provides the functionality to export PHP variables for visualization",
-            "homepage": "http://www.github.com/sebastianbergmann/exporter",
+            "homepage": "https://www.github.com/sebastianbergmann/exporter",
             "keywords": [
                 "export",
                 "exporter"
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.3"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.4"
             },
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@@ -5688,7 +5767,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-09-28T05:24:23+00:00"
+            "time": "2021-11-11T14:18:36+00:00"
         },
         {
             "name": "sebastian/global-state",