diff --git a/composer.lock b/composer.lock
index 9ad8581..70c38e6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -68,16 +68,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v5.0.0",
+            "version": "v5.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc"
+                "reference": "139676794dc1e9231bf7bcd123cfc0c99182cb13"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
-                "reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/139676794dc1e9231bf7bcd123cfc0c99182cb13",
+                "reference": "139676794dc1e9231bf7bcd123cfc0c99182cb13",
                 "shasum": ""
             },
             "require": {
@@ -120,26 +120,27 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v5.0.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.0.2"
             },
-            "time": "2024-01-07T17:17:35+00:00"
+            "time": "2024-03-05T20:51:40+00:00"
         },
         {
             "name": "phar-io/manifest",
-            "version": "2.0.3",
+            "version": "2.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phar-io/manifest.git",
-                "reference": "97803eca37d319dfa7826cc2437fc020857acb53"
+                "reference": "54750ef60c58e43759730615a392c31c80e23176"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phar-io/manifest/zipball/97803eca37d319dfa7826cc2437fc020857acb53",
-                "reference": "97803eca37d319dfa7826cc2437fc020857acb53",
+                "url": "https://api.github.com/repos/phar-io/manifest/zipball/54750ef60c58e43759730615a392c31c80e23176",
+                "reference": "54750ef60c58e43759730615a392c31c80e23176",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
+                "ext-libxml": "*",
                 "ext-phar": "*",
                 "ext-xmlwriter": "*",
                 "phar-io/version": "^3.0.1",
@@ -180,9 +181,15 @@
             "description": "Component for reading phar.io manifest information from a PHP Archive (PHAR)",
             "support": {
                 "issues": "https://github.com/phar-io/manifest/issues",
-                "source": "https://github.com/phar-io/manifest/tree/2.0.3"
+                "source": "https://github.com/phar-io/manifest/tree/2.0.4"
             },
-            "time": "2021-07-20T11:28:43+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/theseer",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-03-03T12:33:53+00:00"
         },
         {
             "name": "phar-io/version",
@@ -237,16 +244,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.57",
+            "version": "1.10.66",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "1627b1d03446904aaa77593f370c5201d2ecc34e"
+                "reference": "94779c987e4ebd620025d9e5fdd23323903950bd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1627b1d03446904aaa77593f370c5201d2ecc34e",
-                "reference": "1627b1d03446904aaa77593f370c5201d2ecc34e",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/94779c987e4ebd620025d9e5fdd23323903950bd",
+                "reference": "94779c987e4ebd620025d9e5fdd23323903950bd",
                 "shasum": ""
             },
             "require": {
@@ -295,20 +302,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-24T11:51:34+00:00"
+            "time": "2024-03-28T16:17:31+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "10.1.11",
+            "version": "10.1.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "78c3b7625965c2513ee96569a4dbb62601784145"
+                "reference": "e3f51450ebffe8e0efdf7346ae966a656f7d5e5b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/78c3b7625965c2513ee96569a4dbb62601784145",
-                "reference": "78c3b7625965c2513ee96569a4dbb62601784145",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/e3f51450ebffe8e0efdf7346ae966a656f7d5e5b",
+                "reference": "e3f51450ebffe8e0efdf7346ae966a656f7d5e5b",
                 "shasum": ""
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             "require": {
@@ -365,7 +372,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
                 "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/10.1.11"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/10.1.14"
             },
             "funding": [
                 {
@@ -373,7 +380,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-12-21T15:38:30+00:00"
+            "time": "2024-03-12T15:33:41+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -620,16 +627,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.10",
+            "version": "10.5.16",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "50b8e314b6d0dd06521dc31d1abffa73f25f850c"
+                "reference": "18f8d4a5f52b61fdd9370aaae3167daa0eeb69cd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/50b8e314b6d0dd06521dc31d1abffa73f25f850c",
-                "reference": "50b8e314b6d0dd06521dc31d1abffa73f25f850c",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/18f8d4a5f52b61fdd9370aaae3167daa0eeb69cd",
+                "reference": "18f8d4a5f52b61fdd9370aaae3167daa0eeb69cd",
                 "shasum": ""
             },
             "require": {
@@ -701,7 +708,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.10"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.16"
             },
             "funding": [
                 {
@@ -717,20 +724,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-02-04T09:07:51+00:00"
+            "time": "2024-03-28T10:08:10+00:00"
         },
         {
             "name": "sebastian/cli-parser",
-            "version": "2.0.0",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/cli-parser.git",
-                "reference": "efdc130dbbbb8ef0b545a994fd811725c5282cae"
+                "reference": "c34583b87e7b7a8055bf6c450c2c77ce32a24084"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/cli-parser/zipball/efdc130dbbbb8ef0b545a994fd811725c5282cae",
-                "reference": "efdc130dbbbb8ef0b545a994fd811725c5282cae",
+                "url": "https://api.github.com/repos/sebastianbergmann/cli-parser/zipball/c34583b87e7b7a8055bf6c450c2c77ce32a24084",
+                "reference": "c34583b87e7b7a8055bf6c450c2c77ce32a24084",
                 "shasum": ""
             },
             "require": {
@@ -765,7 +772,8 @@
             "homepage": "https://github.com/sebastianbergmann/cli-parser",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/cli-parser/issues",
-                "source": "https://github.com/sebastianbergmann/cli-parser/tree/2.0.0"
+                "security": "https://github.com/sebastianbergmann/cli-parser/security/policy",
+                "source": "https://github.com/sebastianbergmann/cli-parser/tree/2.0.1"
             },
             "funding": [
                 {
@@ -773,7 +781,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-02-03T06:58:15+00:00"
+            "time": "2024-03-02T07:12:49+00:00"
         },
         {
             "name": "sebastian/code-unit",
@@ -1023,16 +1031,16 @@
         },
         {
             "name": "sebastian/diff",
-            "version": "5.1.0",
+            "version": "5.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "fbf413a49e54f6b9b17e12d900ac7f6101591b7f"
+                "reference": "c41e007b4b62af48218231d6c2275e4c9b975b2e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/fbf413a49e54f6b9b17e12d900ac7f6101591b7f",
-                "reference": "fbf413a49e54f6b9b17e12d900ac7f6101591b7f",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/c41e007b4b62af48218231d6c2275e4c9b975b2e",
+                "reference": "c41e007b4b62af48218231d6c2275e4c9b975b2e",
                 "shasum": ""
             },
             "require": {
@@ -1040,7 +1048,7 @@
             },
             "require-dev": {
                 "phpunit/phpunit": "^10.0",
-                "symfony/process": "^4.2 || ^5"
+                "symfony/process": "^6.4"
             },
             "type": "library",
             "extra": {
@@ -1078,7 +1086,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/diff/issues",
                 "security": "https://github.com/sebastianbergmann/diff/security/policy",
-                "source": "https://github.com/sebastianbergmann/diff/tree/5.1.0"
+                "source": "https://github.com/sebastianbergmann/diff/tree/5.1.1"
             },
             "funding": [
                 {
@@ -1086,20 +1094,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-12-22T10:55:06+00:00"
+            "time": "2024-03-02T07:15:17+00:00"
         },
         {
             "name": "sebastian/environment",
-            "version": "6.0.1",
+            "version": "6.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "43c751b41d74f96cbbd4e07b7aec9675651e2951"
+                "reference": "8074dbcd93529b357029f5cc5058fd3e43666984"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/43c751b41d74f96cbbd4e07b7aec9675651e2951",
-                "reference": "43c751b41d74f96cbbd4e07b7aec9675651e2951",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/8074dbcd93529b357029f5cc5058fd3e43666984",
+                "reference": "8074dbcd93529b357029f5cc5058fd3e43666984",
                 "shasum": ""
             },
             "require": {
@@ -1114,7 +1122,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "6.0-dev"
+                    "dev-main": "6.1-dev"
                 }
             },
             "autoload": {
@@ -1142,7 +1150,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/environment/issues",
                 "security": "https://github.com/sebastianbergmann/environment/security/policy",
-                "source": "https://github.com/sebastianbergmann/environment/tree/6.0.1"
+                "source": "https://github.com/sebastianbergmann/environment/tree/6.1.0"
             },
             "funding": [
                 {
@@ -1150,20 +1158,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-04-11T05:39:26+00:00"
+            "time": "2024-03-23T08:47:14+00:00"
         },
         {
             "name": "sebastian/exporter",
-            "version": "5.1.1",
+            "version": "5.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "64f51654862e0f5e318db7e9dcc2292c63cdbddc"
+                "reference": "955288482d97c19a372d3f31006ab3f37da47adf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/64f51654862e0f5e318db7e9dcc2292c63cdbddc",
-                "reference": "64f51654862e0f5e318db7e9dcc2292c63cdbddc",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/955288482d97c19a372d3f31006ab3f37da47adf",
+                "reference": "955288482d97c19a372d3f31006ab3f37da47adf",
                 "shasum": ""
             },
             "require": {
@@ -1220,7 +1228,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
                 "security": "https://github.com/sebastianbergmann/exporter/security/policy",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.1"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.2"
             },
             "funding": [
                 {
@@ -1228,20 +1236,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-09-24T13:22:09+00:00"
+            "time": "2024-03-02T07:17:12+00:00"
         },
         {
             "name": "sebastian/global-state",
-            "version": "6.0.1",
+            "version": "6.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "7ea9ead78f6d380d2a667864c132c2f7b83055e4"
+                "reference": "987bafff24ecc4c9ac418cab1145b96dd6e9cbd9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/7ea9ead78f6d380d2a667864c132c2f7b83055e4",
-                "reference": "7ea9ead78f6d380d2a667864c132c2f7b83055e4",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/987bafff24ecc4c9ac418cab1145b96dd6e9cbd9",
+                "reference": "987bafff24ecc4c9ac418cab1145b96dd6e9cbd9",
                 "shasum": ""
             },
             "require": {
@@ -1275,14 +1283,14 @@
                 }
             ],
             "description": "Snapshotting of global state",
-            "homepage": "http://www.github.com/sebastianbergmann/global-state",
+            "homepage": "https://www.github.com/sebastianbergmann/global-state",
             "keywords": [
                 "global state"
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/global-state/issues",
                 "security": "https://github.com/sebastianbergmann/global-state/security/policy",
-                "source": "https://github.com/sebastianbergmann/global-state/tree/6.0.1"
+                "source": "https://github.com/sebastianbergmann/global-state/tree/6.0.2"
             },
             "funding": [
                 {
@@ -1290,7 +1298,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-07-19T07:19:23+00:00"
+            "time": "2024-03-02T07:19:19+00:00"
         },
         {
             "name": "sebastian/lines-of-code",
@@ -1636,16 +1644,16 @@
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.2.2",
+            "version": "1.2.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "b2ad5003ca10d4ee50a12da31de12a5774ba6b96"
+                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/b2ad5003ca10d4ee50a12da31de12a5774ba6b96",
-                "reference": "b2ad5003ca10d4ee50a12da31de12a5774ba6b96",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2",
+                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2",
                 "shasum": ""
             },
             "require": {
@@ -1674,7 +1682,7 @@
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
             "support": {
                 "issues": "https://github.com/theseer/tokenizer/issues",
-                "source": "https://github.com/theseer/tokenizer/tree/1.2.2"
+                "source": "https://github.com/theseer/tokenizer/tree/1.2.3"
             },
             "funding": [
                 {
@@ -1682,7 +1690,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-11-20T00:12:19+00:00"
+            "time": "2024-03-03T12:36:25+00:00"
         }
     ],
     "aliases": [],
diff --git a/src/Http/Routing/HandlerAttribute.php b/src/Http/Routing/HandlerAttribute.php
index 2e59c7c..9531669 100644
--- a/src/Http/Routing/HandlerAttribute.php
+++ b/src/Http/Routing/HandlerAttribute.php
@@ -5,11 +5,14 @@
 
 namespace Index\Http\Routing;
 
+use Attribute;
+use ReflectionObject;
+
 /**
  * Provides an attribute for marking methods in a class as handlers.
  */
 #[Attribute(Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
-abstract class HandlerAttribute {
+class HandlerAttribute {
     public function __construct(private string $path) {}
 
     /**
diff --git a/src/Http/Routing/ResolvedRouteInfo.php b/src/Http/Routing/ResolvedRouteInfo.php
index 6d15fc9..3fc9cd2 100644
--- a/src/Http/Routing/ResolvedRouteInfo.php
+++ b/src/Http/Routing/ResolvedRouteInfo.php
@@ -9,7 +9,7 @@ class ResolvedRouteInfo {
     public function __construct(
         private array $middlewares,
         private array $supportedMethods,
-        private ?callable $handler,
+        private mixed $handler,
         private array $args,
     ) {}
 
@@ -19,6 +19,8 @@ class ResolvedRouteInfo {
             if($result !== null)
                 return $result;
         }
+
+        return null;
     }
 
     public function hasHandler(): bool {
@@ -34,6 +36,6 @@ class ResolvedRouteInfo {
     }
 
     public function dispatch(array $args): mixed {
-        return $this->handler(...array_merge($args, $this->args));
+        return ($this->handler)(...array_merge($args, $this->args));
     }
 }