diff --git a/chandler/Extensions/ExtensionManager.php b/chandler/Extensions/ExtensionManager.php
index f7dbfd0..5cfd996 100644
--- a/chandler/Extensions/ExtensionManager.php
+++ b/chandler/Extensions/ExtensionManager.php
@@ -68,11 +68,12 @@ class ExtensionManager
     private function init(): void
     {
         foreach($this->getExtensions(true) as $name => $configuration) {
-            spl_autoload_register(@create_function("\$class", "
-                if(!substr(\$class, 0, " . iconv_strlen("$name\\") . ") === \"$name\\\\\") return false;
+            spl_autoload_register(function($class) use ($name) {
+                if(substr($class, 0, strlen("$name\\")) !== "$name\\")
+                    return false;
                 
-                include_once CHANDLER_EXTENSIONS_ENABLED . \"/\" . str_replace(\"\\\\\", \"/\", \$class) . \".php\";
-            "));
+                include_once CHANDLER_EXTENSIONS_ENABLED . "/" . str_replace("\\", "/", $class) . ".php";
+            });
             
             define(str_replace("-", "_", mb_strtoupper($name)) . "_ROOT", CHANDLER_EXTENSIONS_ENABLED . "/$name", false);
             define(str_replace("-", "_", mb_strtoupper($name)) . "_ROOT_CONF", chandler_parse_yaml(CHANDLER_EXTENSIONS_ENABLED . "/$name/$name.yml"), false);
diff --git a/composer.json b/composer.json
index b6aeee3..8444757 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": "~7.3",
+        "php": "~7.3||~8.1",
 	
         "nette/utils": "^3.0",
         "nette/di": "^3.0",
diff --git a/composer.lock b/composer.lock
index c18f0c6..082b358 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": "5bb45343c700f6c8f81690249da21dae",
+    "content-hash": "c026b58926dd87cadb6e0b1752759893",
     "packages": [
         {
             "name": "doctrine/lexer",
@@ -84,16 +84,16 @@
         },
         {
             "name": "egulias/email-validator",
-            "version": "3.2",
+            "version": "3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/egulias/EmailValidator.git",
-                "reference": "a5ed8d58ed0c340a7c2109f587951b1c84cf6286"
+                "reference": "f88dcf4b14af14a98ad96b14b2b317969eab6715"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/egulias/EmailValidator/zipball/a5ed8d58ed0c340a7c2109f587951b1c84cf6286",
-                "reference": "a5ed8d58ed0c340a7c2109f587951b1c84cf6286",
+                "url": "https://api.github.com/repos/egulias/EmailValidator/zipball/f88dcf4b14af14a98ad96b14b2b317969eab6715",
+                "reference": "f88dcf4b14af14a98ad96b14b2b317969eab6715",
                 "shasum": ""
             },
             "require": {
@@ -140,7 +140,7 @@
             ],
             "support": {
                 "issues": "https://github.com/egulias/EmailValidator/issues",
-                "source": "https://github.com/egulias/EmailValidator/tree/3.2"
+                "source": "https://github.com/egulias/EmailValidator/tree/3.2.1"
             },
             "funding": [
                 {
@@ -148,7 +148,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-05-28T22:19:18+00:00"
+            "time": "2022-06-18T20:57:19+00:00"
         },
         {
             "name": "firebase/php-jwt",
@@ -960,35 +960,35 @@
         },
         {
             "name": "nette/php-generator",
-            "version": "v3.6.7",
+            "version": "v4.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/php-generator.git",
-                "reference": "b9ba414c9895fd9420887f20eeb4eabde123677f"
+                "reference": "f19b7975c7c4d729be5b64fce7eb72f0d4aac6fc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/php-generator/zipball/b9ba414c9895fd9420887f20eeb4eabde123677f",
-                "reference": "b9ba414c9895fd9420887f20eeb4eabde123677f",
+                "url": "https://api.github.com/repos/nette/php-generator/zipball/f19b7975c7c4d729be5b64fce7eb72f0d4aac6fc",
+                "reference": "f19b7975c7c4d729be5b64fce7eb72f0d4aac6fc",
                 "shasum": ""
             },
             "require": {
-                "nette/utils": "^3.1.2",
-                "php": ">=7.2 <8.2"
+                "nette/utils": "^3.2.7 || ^4.0",
+                "php": ">=8.0 <8.2"
             },
             "require-dev": {
                 "nette/tester": "^2.4",
                 "nikic/php-parser": "^4.13",
-                "phpstan/phpstan": "^0.12",
+                "phpstan/phpstan": "^1.0",
                 "tracy/tracy": "^2.8"
             },
             "suggest": {
-                "nikic/php-parser": "to use ClassType::withBodiesFrom() & GlobalFunction::withBodyFrom()"
+                "nikic/php-parser": "to use ClassType::from(withBodies: true) & ClassType::fromCode()"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.6-dev"
+                    "dev-master": "4.0-dev"
                 }
             },
             "autoload": {
@@ -1022,9 +1022,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nette/php-generator/issues",
-                "source": "https://github.com/nette/php-generator/tree/v3.6.7"
+                "source": "https://github.com/nette/php-generator/tree/v4.0.2"
             },
-            "time": "2022-03-10T01:51:00+00:00"
+            "time": "2022-06-17T12:20:08+00:00"
         },
         {
             "name": "nette/robot-loader",
@@ -1537,25 +1537,25 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v2.5.1",
+            "version": "v3.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66"
+                "reference": "07f1b9cc2ffee6aaafcf4b710fbc38ff736bd918"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/07f1b9cc2ffee6aaafcf4b710fbc38ff736bd918",
+                "reference": "07f1b9cc2ffee6aaafcf4b710fbc38ff736bd918",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.1"
+                "php": ">=8.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "2.5-dev"
+                    "dev-main": "3.1-dev"
                 },
                 "thanks": {
                     "name": "symfony/contracts",
@@ -1584,7 +1584,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.1"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.1.1"
             },
             "funding": [
                 {
@@ -1600,7 +1600,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-02T09:53:40+00:00"
+            "time": "2022-02-25T11:15:52+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -2182,16 +2182,16 @@
         },
         {
             "name": "symfony/translation",
-            "version": "v5.4.9",
+            "version": "v5.4.11",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "1639abc1177d26bcd4320e535e664cef067ab0ca"
+                "reference": "7a1a8f6bbff269f434a83343a0a5d36a4f8cfa21"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/1639abc1177d26bcd4320e535e664cef067ab0ca",
-                "reference": "1639abc1177d26bcd4320e535e664cef067ab0ca",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/7a1a8f6bbff269f434a83343a0a5d36a4f8cfa21",
+                "reference": "7a1a8f6bbff269f434a83343a0a5d36a4f8cfa21",
                 "shasum": ""
             },
             "require": {
@@ -2259,7 +2259,7 @@
             "description": "Provides tools to internationalize your application",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/translation/tree/v5.4.9"
+                "source": "https://github.com/symfony/translation/tree/v5.4.11"
             },
             "funding": [
                 {
@@ -2275,20 +2275,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-05-06T12:33:37+00:00"
+            "time": "2022-07-20T13:00:38+00:00"
         },
         {
             "name": "symfony/translation-contracts",
-            "version": "v2.5.1",
+            "version": "v2.5.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation-contracts.git",
-                "reference": "1211df0afa701e45a04253110e959d4af4ef0f07"
+                "reference": "136b19dd05cdf0709db6537d058bcab6dd6e2dbe"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation-contracts/zipball/1211df0afa701e45a04253110e959d4af4ef0f07",
-                "reference": "1211df0afa701e45a04253110e959d4af4ef0f07",
+                "url": "https://api.github.com/repos/symfony/translation-contracts/zipball/136b19dd05cdf0709db6537d058bcab6dd6e2dbe",
+                "reference": "136b19dd05cdf0709db6537d058bcab6dd6e2dbe",
                 "shasum": ""
             },
             "require": {
@@ -2337,7 +2337,7 @@
                 "standards"
             ],
             "support": {
-                "source": "https://github.com/symfony/translation-contracts/tree/v2.5.1"
+                "source": "https://github.com/symfony/translation-contracts/tree/v2.5.2"
             },
             "funding": [
                 {
@@ -2353,20 +2353,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-02T09:53:40+00:00"
+            "time": "2022-06-27T16:58:25+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v5.4.3",
+            "version": "v5.4.11",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "e80f87d2c9495966768310fc531b487ce64237a2"
+                "reference": "05d4ea560f3402c6c116afd99fdc66e60eda227e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/e80f87d2c9495966768310fc531b487ce64237a2",
-                "reference": "e80f87d2c9495966768310fc531b487ce64237a2",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/05d4ea560f3402c6c116afd99fdc66e60eda227e",
+                "reference": "05d4ea560f3402c6c116afd99fdc66e60eda227e",
                 "shasum": ""
             },
             "require": {
@@ -2412,7 +2412,7 @@
             "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v5.4.3"
+                "source": "https://github.com/symfony/yaml/tree/v5.4.11"
             },
             "funding": [
                 {
@@ -2428,7 +2428,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-26T16:32:32+00:00"
+            "time": "2022-06-27T16:58:25+00:00"
         },
         {
             "name": "tracy/tracy",
@@ -2550,7 +2550,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~7.3"
+        "php": "~7.3||~8.1"
     },
     "platform-dev": [],
     "plugin-api-version": "2.3.0"