diff --git a/Makefile b/Makefile
index 556834f..dffa2f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
 
-d.run:
-	docker run --rm -it -v "${PWD}":/usr/src/myapp -w /usr/src/myapp pimlab/composer:2.0.0-alpha3-php7.4 sh
\ No newline at end of file
+d.run74:
+	docker run --rm -it -v "${PWD}":/usr/src/myapp -w /usr/src/myapp pimlab/composer:2.0.0-alpha3-php7.4 sh
+
+
+d.run82:
+	docker run --rm -it -v "${PWD}":/usr/src/myapp -w /usr/src/myapp shopware/development:8.2-composer-2 bash
\ No newline at end of file
diff --git a/README.md b/README.md
index a0e546d..24c3c1b 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Simple PHP DI Container with autowiring in a single file allows you to easily us
 4. Supports Lazy Load class instantiating.
 5. Allow you following the best practices for developing your code.
 6. Supports PSR11 (read more about below).
+7. Supports PHP ^8 and PHP 7.4.
 
 ## How to integrate it in a project?
 1. Just copy the file `./src/Container.php` to your plugin directory or theme.
@@ -206,7 +207,7 @@ use Psr\Container\NotFoundExceptionInterface;
 - [x] Add resolved service storage (getting singleton).
 - [x] Add ability to create new instances of service every time.
 - [x] Improve performance.
-- [ ] Fix deprecated `Use ReflectionParameter::getType() and the ReflectionType APIs should be used instead.` for PHP8
+- [x] Fix deprecated `Use ReflectionParameter::getType() and the ReflectionType APIs should be used instead.` for PHP8
 - [ ] Circular dependency protector.
 - [ ] Allow to set definitions via `__constructor`.
 - [ ] Bind $container instance by default.
diff --git a/composer.json b/composer.json
index 869d096..8286359 100644
--- a/composer.json
+++ b/composer.json
@@ -11,12 +11,14 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "php": "^7.4"
+        "php": "^7.4|^8"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6.13",
         "symfony/var-dumper": "^5.4",
-        "phpstan/phpstan": "^1.10"
+        "phpstan/phpstan": "^1.10",
+        "phpstan/extension-installer": "^1.3",
+        "phpstan/phpstan-deprecation-rules": "^1.1"
     },
     "autoload-dev": {
         "psr-4": {
@@ -30,5 +32,10 @@
         "phpstan": "phpstan analyse -c phpstan.neon",
         "phpstan.baselane": "phpstan analyse -c phpstan.neon --generate-baseline",
         "phpunit": "phpunit"
+    },
+    "config": {
+        "allow-plugins": {
+            "phpstan/extension-installer": true
+        }
     }
 }
diff --git a/composer.lock b/composer.lock
index 2223cac..7b662b6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,35 +4,35 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "fa93dd08fe35cb2ef67ce51d4733ab66",
+    "content-hash": "0da7a08edb3ee3474c34900c506d9bd0",
     "packages": [],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "1.5.0",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "0a0fa9780f5d4e507415a065172d26a98d02047b"
+                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/0a0fa9780f5d4e507415a065172d26a98d02047b",
-                "reference": "0a0fa9780f5d4e507415a065172d26a98d02047b",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
+                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1 || ^8.0"
+                "php": "^8.1"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^9 || ^11",
+                "doctrine/coding-standard": "^11",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpbench/phpbench": "^0.16 || ^1",
-                "phpstan/phpstan": "^1.4",
-                "phpstan/phpstan-phpunit": "^1",
-                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5",
-                "vimeo/psalm": "^4.30 || ^5.4"
+                "phpbench/phpbench": "^1.2",
+                "phpstan/phpstan": "^1.9.4",
+                "phpstan/phpstan-phpunit": "^1.3",
+                "phpunit/phpunit": "^9.5.27",
+                "vimeo/psalm": "^5.4"
             },
             "type": "library",
             "autoload": {
@@ -59,7 +59,7 @@
             ],
             "support": {
                 "issues": "https://github.com/doctrine/instantiator/issues",
-                "source": "https://github.com/doctrine/instantiator/tree/1.5.0"
+                "source": "https://github.com/doctrine/instantiator/tree/2.0.0"
             },
             "funding": [
                 {
@@ -75,7 +75,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-12-30T00:15:36+00:00"
+            "time": "2022-12-30T00:23:10+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -138,25 +138,27 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.17.1",
+            "version": "v5.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d"
+                "reference": "139676794dc1e9231bf7bcd123cfc0c99182cb13"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
-                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/139676794dc1e9231bf7bcd123cfc0c99182cb13",
+                "reference": "139676794dc1e9231bf7bcd123cfc0c99182cb13",
                 "shasum": ""
             },
             "require": {
+                "ext-ctype": "*",
+                "ext-json": "*",
                 "ext-tokenizer": "*",
-                "php": ">=7.0"
+                "php": ">=7.4"
             },
             "require-dev": {
                 "ircmaxell/php-yacc": "^0.0.7",
-                "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
             },
             "bin": [
                 "bin/php-parse"
@@ -164,7 +166,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.9-dev"
+                    "dev-master": "5.0-dev"
                 }
             },
             "autoload": {
@@ -188,26 +190,27 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.17.1"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.0.2"
             },
-            "time": "2023-08-13T19:53:39+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",
@@ -248,9 +251,15 @@
             "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",
@@ -303,18 +312,62 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
+        {
+            "name": "phpstan/extension-installer",
+            "version": "1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/extension-installer.git",
+                "reference": "f45734bfb9984c6c56c4486b71230355f066a58a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/f45734bfb9984c6c56c4486b71230355f066a58a",
+                "reference": "f45734bfb9984c6c56c4486b71230355f066a58a",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^2.0",
+                "php": "^7.2 || ^8.0",
+                "phpstan/phpstan": "^1.9.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.0",
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
+                "phpstan/phpstan-strict-rules": "^0.11 || ^0.12 || ^1.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PHPStan\\ExtensionInstaller\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\ExtensionInstaller\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Composer plugin for automatic installation of PHPStan extensions",
+            "support": {
+                "issues": "https://github.com/phpstan/extension-installer/issues",
+                "source": "https://github.com/phpstan/extension-installer/tree/1.3.1"
+            },
+            "time": "2023-05-24T08:59:17+00:00"
+        },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.46",
+            "version": "1.10.67",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70"
+                "reference": "16ddbe776f10da6a95ebd25de7c1dbed397dc493"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/16ddbe776f10da6a95ebd25de7c1dbed397dc493",
+                "reference": "16ddbe776f10da6a95ebd25de7c1dbed397dc493",
                 "shasum": ""
             },
             "require": {
@@ -357,33 +410,77 @@
                 {
                     "url": "https://github.com/phpstan",
                     "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/phpstan/phpstan",
-                    "type": "tidelift"
                 }
             ],
-            "time": "2023-11-28T14:57:26+00:00"
+            "time": "2024-04-16T07:22:02+00:00"
+        },
+        {
+            "name": "phpstan/phpstan-deprecation-rules",
+            "version": "1.1.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan-deprecation-rules.git",
+                "reference": "089d8a8258ed0aeefdc7b68b6c3d25572ebfdbaa"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan-deprecation-rules/zipball/089d8a8258ed0aeefdc7b68b6c3d25572ebfdbaa",
+                "reference": "089d8a8258ed0aeefdc7b68b6c3d25572ebfdbaa",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2 || ^8.0",
+                "phpstan/phpstan": "^1.10.3"
+            },
+            "require-dev": {
+                "php-parallel-lint/php-parallel-lint": "^1.2",
+                "phpstan/phpstan-php-parser": "^1.1",
+                "phpstan/phpstan-phpunit": "^1.0",
+                "phpunit/phpunit": "^9.5"
+            },
+            "type": "phpstan-extension",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "rules.neon"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan rules for detecting usage of deprecated classes, methods, properties, constants and traits.",
+            "support": {
+                "issues": "https://github.com/phpstan/phpstan-deprecation-rules/issues",
+                "source": "https://github.com/phpstan/phpstan-deprecation-rules/tree/1.1.4"
+            },
+            "time": "2023-08-05T09:02:04+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.29",
+            "version": "9.2.31",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76"
+                "reference": "48c34b5d8d983006bd2adc2d0de92963b9155965"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/6a3a87ac2bbe33b25042753df8195ba4aa534c76",
-                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/48c34b5d8d983006bd2adc2d0de92963b9155965",
+                "reference": "48c34b5d8d983006bd2adc2d0de92963b9155965",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-libxml": "*",
                 "ext-xmlwriter": "*",
-                "nikic/php-parser": "^4.15",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3",
                 "phpunit/php-file-iterator": "^3.0.3",
                 "phpunit/php-text-template": "^2.0.2",
@@ -433,7 +530,7 @@
             "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/9.2.29"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.31"
             },
             "funding": [
                 {
@@ -441,7 +538,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-09-19T04:57:46+00:00"
+            "time": "2024-03-02T06:37:42+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -686,16 +783,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.13",
+            "version": "9.6.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be"
+                "reference": "a1a54a473501ef4cdeaae4e06891674114d79db8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/f3d767f7f9e191eab4189abe41ab37797e30b1be",
-                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a1a54a473501ef4cdeaae4e06891674114d79db8",
+                "reference": "a1a54a473501ef4cdeaae4e06891674114d79db8",
                 "shasum": ""
             },
             "require": {
@@ -769,7 +866,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.13"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.19"
             },
             "funding": [
                 {
@@ -785,20 +882,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-19T05:39:22+00:00"
+            "time": "2024-04-05T04:35:58+00:00"
         },
         {
             "name": "sebastian/cli-parser",
-            "version": "1.0.1",
+            "version": "1.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/cli-parser.git",
-                "reference": "442e7c7e687e42adc03470c7b668bc4b2402c0b2"
+                "reference": "2b56bea83a09de3ac06bb18b92f068e60cc6f50b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/cli-parser/zipball/442e7c7e687e42adc03470c7b668bc4b2402c0b2",
-                "reference": "442e7c7e687e42adc03470c7b668bc4b2402c0b2",
+                "url": "https://api.github.com/repos/sebastianbergmann/cli-parser/zipball/2b56bea83a09de3ac06bb18b92f068e60cc6f50b",
+                "reference": "2b56bea83a09de3ac06bb18b92f068e60cc6f50b",
                 "shasum": ""
             },
             "require": {
@@ -833,7 +930,7 @@
             "homepage": "https://github.com/sebastianbergmann/cli-parser",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/cli-parser/issues",
-                "source": "https://github.com/sebastianbergmann/cli-parser/tree/1.0.1"
+                "source": "https://github.com/sebastianbergmann/cli-parser/tree/1.0.2"
             },
             "funding": [
                 {
@@ -841,7 +938,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-09-28T06:08:49+00:00"
+            "time": "2024-03-02T06:27:43+00:00"
         },
         {
             "name": "sebastian/code-unit",
@@ -1030,20 +1127,20 @@
         },
         {
             "name": "sebastian/complexity",
-            "version": "2.0.2",
+            "version": "2.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/complexity.git",
-                "reference": "739b35e53379900cc9ac327b2147867b8b6efd88"
+                "reference": "25f207c40d62b8b7aa32f5ab026c53561964053a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/complexity/zipball/739b35e53379900cc9ac327b2147867b8b6efd88",
-                "reference": "739b35e53379900cc9ac327b2147867b8b6efd88",
+                "url": "https://api.github.com/repos/sebastianbergmann/complexity/zipball/25f207c40d62b8b7aa32f5ab026c53561964053a",
+                "reference": "25f207c40d62b8b7aa32f5ab026c53561964053a",
                 "shasum": ""
             },
             "require": {
-                "nikic/php-parser": "^4.7",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3"
             },
             "require-dev": {
@@ -1075,7 +1172,7 @@
             "homepage": "https://github.com/sebastianbergmann/complexity",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/complexity/issues",
-                "source": "https://github.com/sebastianbergmann/complexity/tree/2.0.2"
+                "source": "https://github.com/sebastianbergmann/complexity/tree/2.0.3"
             },
             "funding": [
                 {
@@ -1083,20 +1180,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-26T15:52:27+00:00"
+            "time": "2023-12-22T06:19:30+00:00"
         },
         {
             "name": "sebastian/diff",
-            "version": "4.0.5",
+            "version": "4.0.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "74be17022044ebaaecfdf0c5cd504fc9cd5a7131"
+                "reference": "ba01945089c3a293b01ba9badc29ad55b106b0bc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/74be17022044ebaaecfdf0c5cd504fc9cd5a7131",
-                "reference": "74be17022044ebaaecfdf0c5cd504fc9cd5a7131",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/ba01945089c3a293b01ba9badc29ad55b106b0bc",
+                "reference": "ba01945089c3a293b01ba9badc29ad55b106b0bc",
                 "shasum": ""
             },
             "require": {
@@ -1141,7 +1238,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/diff/issues",
-                "source": "https://github.com/sebastianbergmann/diff/tree/4.0.5"
+                "source": "https://github.com/sebastianbergmann/diff/tree/4.0.6"
             },
             "funding": [
                 {
@@ -1149,7 +1246,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-05-07T05:35:17+00:00"
+            "time": "2024-03-02T06:30:58+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -1216,16 +1313,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "4.0.5",
+            "version": "4.0.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "ac230ed27f0f98f597c8a2b6eb7ac563af5e5b9d"
+                "reference": "78c00df8f170e02473b682df15bfcdacc3d32d72"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/ac230ed27f0f98f597c8a2b6eb7ac563af5e5b9d",
-                "reference": "ac230ed27f0f98f597c8a2b6eb7ac563af5e5b9d",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/78c00df8f170e02473b682df15bfcdacc3d32d72",
+                "reference": "78c00df8f170e02473b682df15bfcdacc3d32d72",
                 "shasum": ""
             },
             "require": {
@@ -1281,7 +1378,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.5"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.6"
             },
             "funding": [
                 {
@@ -1289,20 +1386,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-09-14T06:03:37+00:00"
+            "time": "2024-03-02T06:33:00+00:00"
         },
         {
             "name": "sebastian/global-state",
-            "version": "5.0.6",
+            "version": "5.0.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "bde739e7565280bda77be70044ac1047bc007e34"
+                "reference": "bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bde739e7565280bda77be70044ac1047bc007e34",
-                "reference": "bde739e7565280bda77be70044ac1047bc007e34",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9",
+                "reference": "bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9",
                 "shasum": ""
             },
             "require": {
@@ -1345,7 +1442,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/global-state/issues",
-                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.6"
+                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.7"
             },
             "funding": [
                 {
@@ -1353,24 +1450,24 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-08-02T09:26:13+00:00"
+            "time": "2024-03-02T06:35:11+00:00"
         },
         {
             "name": "sebastian/lines-of-code",
-            "version": "1.0.3",
+            "version": "1.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/lines-of-code.git",
-                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc"
+                "reference": "e1e4a170560925c26d424b6a03aed157e7dcc5c5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/lines-of-code/zipball/c1c2e997aa3146983ed888ad08b15470a2e22ecc",
-                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc",
+                "url": "https://api.github.com/repos/sebastianbergmann/lines-of-code/zipball/e1e4a170560925c26d424b6a03aed157e7dcc5c5",
+                "reference": "e1e4a170560925c26d424b6a03aed157e7dcc5c5",
                 "shasum": ""
             },
             "require": {
-                "nikic/php-parser": "^4.6",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3"
             },
             "require-dev": {
@@ -1402,7 +1499,7 @@
             "homepage": "https://github.com/sebastianbergmann/lines-of-code",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/lines-of-code/issues",
-                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.3"
+                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.4"
             },
             "funding": [
                 {
@@ -1410,7 +1507,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-11-28T06:42:11+00:00"
+            "time": "2023-12-22T06:20:34+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
@@ -1589,16 +1686,16 @@
         },
         {
             "name": "sebastian/resource-operations",
-            "version": "3.0.3",
+            "version": "3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/resource-operations.git",
-                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8"
+                "reference": "05d5692a7993ecccd56a03e40cd7e5b09b1d404e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8",
-                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8",
+                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/05d5692a7993ecccd56a03e40cd7e5b09b1d404e",
+                "reference": "05d5692a7993ecccd56a03e40cd7e5b09b1d404e",
                 "shasum": ""
             },
             "require": {
@@ -1610,7 +1707,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-main": "3.0-dev"
                 }
             },
             "autoload": {
@@ -1631,8 +1728,7 @@
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
             "support": {
-                "issues": "https://github.com/sebastianbergmann/resource-operations/issues",
-                "source": "https://github.com/sebastianbergmann/resource-operations/tree/3.0.3"
+                "source": "https://github.com/sebastianbergmann/resource-operations/tree/3.0.4"
             },
             "funding": [
                 {
@@ -1640,7 +1736,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-09-28T06:45:17+00:00"
+            "time": "2024-03-14T16:00:52+00:00"
         },
         {
             "name": "sebastian/type",
@@ -1753,16 +1849,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.28.0",
+            "version": "v1.29.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "42292d99c55abe617799667f454222c54c60e229"
+                "reference": "9773676c8a1bb1f8d4340a62efe641cf76eda7ec"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/42292d99c55abe617799667f454222c54c60e229",
-                "reference": "42292d99c55abe617799667f454222c54c60e229",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/9773676c8a1bb1f8d4340a62efe641cf76eda7ec",
+                "reference": "9773676c8a1bb1f8d4340a62efe641cf76eda7ec",
                 "shasum": ""
             },
             "require": {
@@ -1776,9 +1872,6 @@
             },
             "type": "library",
             "extra": {
-                "branch-alias": {
-                    "dev-main": "1.28-dev"
-                },
                 "thanks": {
                     "name": "symfony/polyfill",
                     "url": "https://github.com/symfony/polyfill"
@@ -1816,7 +1909,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.28.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.29.0"
             },
             "funding": [
                 {
@@ -1832,20 +1925,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-07-28T09:04:16+00:00"
+            "time": "2024-01-29T20:11:03+00:00"
         },
         {
             "name": "symfony/polyfill-php80",
-            "version": "v1.28.0",
+            "version": "v1.29.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php80.git",
-                "reference": "6caa57379c4aec19c0a12a38b59b26487dcfe4b5"
+                "reference": "87b68208d5c1188808dd7839ee1e6c8ec3b02f1b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/6caa57379c4aec19c0a12a38b59b26487dcfe4b5",
-                "reference": "6caa57379c4aec19c0a12a38b59b26487dcfe4b5",
+                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/87b68208d5c1188808dd7839ee1e6c8ec3b02f1b",
+                "reference": "87b68208d5c1188808dd7839ee1e6c8ec3b02f1b",
                 "shasum": ""
             },
             "require": {
@@ -1853,9 +1946,6 @@
             },
             "type": "library",
             "extra": {
-                "branch-alias": {
-                    "dev-main": "1.28-dev"
-                },
                 "thanks": {
                     "name": "symfony/polyfill",
                     "url": "https://github.com/symfony/polyfill"
@@ -1899,7 +1989,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-php80/tree/v1.28.0"
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.29.0"
             },
             "funding": [
                 {
@@ -1915,20 +2005,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-01-26T09:26:14+00:00"
+            "time": "2024-01-29T20:11:03+00:00"
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v5.4.29",
+            "version": "v5.4.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "6172e4ae3534d25ee9e07eb487c20be7760fcc65"
+                "reference": "ae1d949ccc57d3f6662e4256b47ac9fbfa9651ae"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/6172e4ae3534d25ee9e07eb487c20be7760fcc65",
-                "reference": "6172e4ae3534d25ee9e07eb487c20be7760fcc65",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/ae1d949ccc57d3f6662e4256b47ac9fbfa9651ae",
+                "reference": "ae1d949ccc57d3f6662e4256b47ac9fbfa9651ae",
                 "shasum": ""
             },
             "require": {
@@ -1988,7 +2078,7 @@
                 "dump"
             ],
             "support": {
-                "source": "https://github.com/symfony/var-dumper/tree/v5.4.29"
+                "source": "https://github.com/symfony/var-dumper/tree/v5.4.38"
             },
             "funding": [
                 {
@@ -2004,20 +2094,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-12T10:09:58+00:00"
+            "time": "2024-03-19T10:19:25+00:00"
         },
         {
             "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": {
@@ -2046,7 +2136,7 @@
             "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": [
                 {
@@ -2054,7 +2144,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-11-20T00:12:19+00:00"
+            "time": "2024-03-03T12:36:25+00:00"
         }
     ],
     "aliases": [],
@@ -2063,8 +2153,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.4"
+        "php": "^7.4|^8"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.2.0"
 }
diff --git a/phpstan.neon b/phpstan.neon
index 08d4dbe..e49cc34 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,6 +1,6 @@
 parameters:
 	level: 9
-	phpVersion: 70400 # PHP 7.4
+	phpVersion: 80200
 	parallel:
 		jobSize: 20
 		maximumNumberOfProcesses: 2
@@ -15,5 +15,3 @@ parameters:
 	paths:
 		- ./src
 
-	ignoreErrors:
-		- '#Property Pisarevskii\\SimpleDIC\\Container::\$reflection_cache with generic class ReflectionClass does not specify its types#'
\ No newline at end of file
diff --git a/src/Container.php b/src/Container.php
index 95e9b90..6a71826 100644
--- a/src/Container.php
+++ b/src/Container.php
@@ -8,7 +8,7 @@
  * Author Email: renakdup@gmail.com
  * Author Site: https://wp-yoda.com/en/
  *
- * Version: 0.2.5
+ * Version: 0.2.6
  * Source Code: https://github.com/renakdup/simple-php-dic
  *
  * Licence: MIT License
@@ -22,6 +22,7 @@
 use InvalidArgumentException;
 use ReflectionClass;
 use ReflectionException;
+use ReflectionNamedType;
 use ReflectionParameter;
 
 use function array_key_exists;
@@ -91,7 +92,7 @@ class Container implements ContainerInterface {
 	protected array $resolved = [];
 
 	/**
-	 * @var ReflectionClass[]
+	 * @var array<string, ReflectionClass<object>>
 	 */
 	protected array $reflection_cache = [];
 
@@ -237,8 +238,10 @@ protected function resolve_parameters( array $params ): array {
 	 * @throws ReflectionException
 	 */
 	protected function resolve_parameter( ReflectionParameter $param ) {
-		if ( $param_class = $param->getClass() ) {
-			return $this->get( $param_class->getName() );
+		$param_type = $param->getType();
+
+		if ( $param_type instanceof ReflectionNamedType && ! $param_type->isBuiltin() ) {
+			return $this->get( $param_type->getName() );
 		}
 
 		if ( $param->isOptional() ) {
diff --git a/tests/Assets/ClassWithConstructor.php b/tests/Assets/ClassWithConstructor.php
index 4ed7490..48e26a4 100644
--- a/tests/Assets/ClassWithConstructor.php
+++ b/tests/Assets/ClassWithConstructor.php
@@ -4,11 +4,15 @@
 
 namespace PisarevskiiTests\SimpleDIC\Assets;
 
-class ClassWithConstructor {
+use stdClass;
 
+class ClassWithConstructor
+{
+	private stdClass $std;
 	public ClassWithConstructorPrimitives $obj_with_constructor_deps;
 
-	public function __construct( ClassWithConstructorPrimitives $obj_with_constructor_deps ) {
+	public function __construct( ClassWithConstructorPrimitives $obj_with_constructor_deps, $std = new stdClass() ) {
 		$this->obj_with_constructor_deps = $obj_with_constructor_deps;
+		$this->std = $std;
 	}
 }
\ No newline at end of file