diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51f12e8..445e16e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,9 +12,9 @@ jobs:
       fail-fast: false
       matrix:
         php-versions:
-          - "7.4"
-          - "8.0"
-          - "8.1"
+          - '7.4'
+          - '8.0'
+          - '8.1'
 
     steps:
       - name: Checkout
@@ -42,6 +42,10 @@ jobs:
       - name: Install dependencies
         run: composer install
 
+      - name: Normalize composer.json
+        if: matrix.php-versions == '8.1'
+        run: composer normalize --dry-run
+
       - name: PHP-CS-Fixer
         if: matrix.php-versions == '8.1'
         run: vendor/bin/php-cs-fixer fix --dry-run --format=checkstyle | cs2pr
diff --git a/composer.json b/composer.json
index 15ddad8..5c85a3d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,12 @@
 {
     "name": "ely/php-code-style",
     "description": "Set of PHP-CS-Fixer rules used in the development of Ely.by PHP projects",
-    "keywords": ["php-cs-fixer", "code style"],
-    "homepage": "https://github.com/elyby/php-code-style",
+    "license": "Apache-2.0",
+    "type": "library",
+    "keywords": [
+        "php-cs-fixer",
+        "code style"
+    ],
     "authors": [
         {
             "name": "Ely.by team",
@@ -13,25 +17,20 @@
             "email": "erickskrauch@ely.by"
         }
     ],
-    "license": "Apache-2.0",
-    "type": "library",
+    "homepage": "https://github.com/elyby/php-code-style",
     "require": {
-        "php": "^7.4|^8.0",
+        "php": "^7.4 || ^8.0",
         "friendsofphp/php-cs-fixer": "^3"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5",
+        "ergebnis/composer-normalize": "^2.28",
+        "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.2",
         "phpspec/prophecy": "^1.15",
         "phpspec/prophecy-phpunit": "^2.0",
-        "phpunitgoodpractices/traits": "^1.9.1",
-        "symfony/phpunit-bridge": "^6.0",
+        "phpunit/phpunit": "^9.5",
         "phpunitgoodpractices/polyfill": "^1.5",
-        "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.2"
-    },
-    "config": {
-        "preferred-install": {
-            "friendsofphp/php-cs-fixer": "source"
-        }
+        "phpunitgoodpractices/traits": "^1.9.1",
+        "symfony/phpunit-bridge": "^6.0"
     },
     "autoload": {
         "psr-4": {
@@ -43,5 +42,13 @@
             "Ely\\CS\\Test\\": "tests/",
             "PhpCsFixer\\Tests\\": "vendor/friendsofphp/php-cs-fixer/tests/"
         }
+    },
+    "config": {
+        "allow-plugins": {
+            "ergebnis/composer-normalize": true
+        },
+        "preferred-install": {
+            "friendsofphp/php-cs-fixer": "source"
+        }
     }
 }
diff --git a/composer.lock b/composer.lock
index 71c0c94..d758094 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": "ef27d5f95925d2c8c29ac8ad4a83145e",
+    "content-hash": "caea1288c4837f2f630053b24b54d2a9",
     "packages": [
         {
             "name": "composer/pcre",
@@ -2187,6 +2187,404 @@
             ],
             "time": "2022-03-03T08:28:38+00:00"
         },
+        {
+            "name": "ergebnis/composer-normalize",
+            "version": "2.28.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ergebnis/composer-normalize.git",
+                "reference": "ec75a2bf751f6fec165e9ea0262655b8ca397e5c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/ec75a2bf751f6fec165e9ea0262655b8ca397e5c",
+                "reference": "ec75a2bf751f6fec165e9ea0262655b8ca397e5c",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^2.0.0",
+                "ergebnis/json-normalizer": "~2.1.0",
+                "ergebnis/json-printer": "^3.2.0",
+                "justinrainbow/json-schema": "^5.2.12",
+                "localheinz/diff": "^1.1.1",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.3.9",
+                "ergebnis/license": "^1.2.0",
+                "ergebnis/php-cs-fixer-config": "^4.4.0",
+                "fakerphp/faker": "^1.19.0",
+                "phpunit/phpunit": "^9.5.21",
+                "psalm/plugin-phpunit": "~0.17.0",
+                "symfony/filesystem": "^5.4.9",
+                "vimeo/psalm": "^4.24.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "Ergebnis\\Composer\\Normalize\\NormalizePlugin",
+                "composer-normalize": {
+                    "indent-size": 2,
+                    "indent-style": "space"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Ergebnis\\Composer\\Normalize\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Andreas Möller",
+                    "email": "am@localheinz.com"
+                }
+            ],
+            "description": "Provides a composer plugin for normalizing composer.json.",
+            "homepage": "https://github.com/ergebnis/composer-normalize",
+            "keywords": [
+                "composer",
+                "normalize",
+                "normalizer",
+                "plugin"
+            ],
+            "support": {
+                "issues": "https://github.com/ergebnis/composer-normalize/issues",
+                "source": "https://github.com/ergebnis/composer-normalize"
+            },
+            "time": "2022-07-05T16:09:10+00:00"
+        },
+        {
+            "name": "ergebnis/json-normalizer",
+            "version": "2.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ergebnis/json-normalizer.git",
+                "reference": "2039eb11131a243b9204bf51219baa08935e6b1d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ergebnis/json-normalizer/zipball/2039eb11131a243b9204bf51219baa08935e6b1d",
+                "reference": "2039eb11131a243b9204bf51219baa08935e6b1d",
+                "shasum": ""
+            },
+            "require": {
+                "ergebnis/json-printer": "^3.2.0",
+                "ergebnis/json-schema-validator": "^2.0.0",
+                "ext-json": "*",
+                "justinrainbow/json-schema": "^5.2.11",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "ergebnis/data-provider": "^1.0.0",
+                "ergebnis/license": "^1.2.0",
+                "ergebnis/php-cs-fixer-config": "^3.4.0",
+                "fakerphp/faker": "^1.17.0",
+                "infection/infection": "~0.25.5",
+                "phpunit/phpunit": "^9.5.11",
+                "psalm/plugin-phpunit": "~0.16.1",
+                "vimeo/psalm": "^4.17.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Ergebnis\\Json\\Normalizer\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Andreas Möller",
+                    "email": "am@localheinz.com"
+                }
+            ],
+            "description": "Provides generic and vendor-specific normalizers for normalizing JSON documents.",
+            "homepage": "https://github.com/ergebnis/json-normalizer",
+            "keywords": [
+                "json",
+                "normalizer"
+            ],
+            "support": {
+                "issues": "https://github.com/ergebnis/json-normalizer/issues",
+                "source": "https://github.com/ergebnis/json-normalizer"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/localheinz",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-01-04T11:19:55+00:00"
+        },
+        {
+            "name": "ergebnis/json-printer",
+            "version": "3.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ergebnis/json-printer.git",
+                "reference": "651cab2b7604a6b338d0d16749f5ea0851a68005"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ergebnis/json-printer/zipball/651cab2b7604a6b338d0d16749f5ea0851a68005",
+                "reference": "651cab2b7604a6b338d0d16749f5ea0851a68005",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "ergebnis/license": "^1.1.0",
+                "ergebnis/php-cs-fixer-config": "^3.4.0",
+                "fakerphp/faker": "^1.17.0",
+                "infection/infection": "~0.25.5",
+                "phpunit/phpunit": "^9.5.11",
+                "psalm/plugin-phpunit": "~0.16.1",
+                "vimeo/psalm": "^4.16.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Ergebnis\\Json\\Printer\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Andreas Möller",
+                    "email": "am@localheinz.com"
+                }
+            ],
+            "description": "Provides a JSON printer, allowing for flexible indentation.",
+            "homepage": "https://github.com/ergebnis/json-printer",
+            "keywords": [
+                "formatter",
+                "json",
+                "printer"
+            ],
+            "support": {
+                "issues": "https://github.com/ergebnis/json-printer/issues",
+                "source": "https://github.com/ergebnis/json-printer"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/localheinz",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-12-27T12:39:13+00:00"
+        },
+        {
+            "name": "ergebnis/json-schema-validator",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ergebnis/json-schema-validator.git",
+                "reference": "dacd8a47c1cc2c426ec71e952da3609ebe901fac"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ergebnis/json-schema-validator/zipball/dacd8a47c1cc2c426ec71e952da3609ebe901fac",
+                "reference": "dacd8a47c1cc2c426ec71e952da3609ebe901fac",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "justinrainbow/json-schema": "^5.2.10",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "ergebnis/composer-normalize": "^2.18.0",
+                "ergebnis/data-provider": "^1.0.0",
+                "ergebnis/license": "^1.1.0",
+                "ergebnis/php-cs-fixer-config": "~3.4.0",
+                "fakerphp/faker": "^1.17.0",
+                "infection/infection": "~0.25.3",
+                "phpunit/phpunit": "~9.5.10",
+                "psalm/plugin-phpunit": "~0.16.1",
+                "vimeo/psalm": "^4.15.0"
+            },
+            "type": "library",
+            "extra": {
+                "composer-normalize": {
+                    "indent-size": 2,
+                    "indent-style": "space"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Ergebnis\\Json\\SchemaValidator\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Andreas Möller",
+                    "email": "am@localheinz.com"
+                }
+            ],
+            "description": "Provides a JSON schema validator, building on top of justinrainbow/json-schema.",
+            "homepage": "https://github.com/ergebnis/json-schema-validator",
+            "keywords": [
+                "json",
+                "schema",
+                "validator"
+            ],
+            "support": {
+                "issues": "https://github.com/ergebnis/json-schema-validator/issues",
+                "source": "https://github.com/ergebnis/json-schema-validator"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/localheinz",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-12-13T16:54:56+00:00"
+        },
+        {
+            "name": "justinrainbow/json-schema",
+            "version": "5.2.12",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/justinrainbow/json-schema.git",
+                "reference": "ad87d5a5ca981228e0e205c2bc7dfb8e24559b60"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/ad87d5a5ca981228e0e205c2bc7dfb8e24559b60",
+                "reference": "ad87d5a5ca981228e0e205c2bc7dfb8e24559b60",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "friendsofphp/php-cs-fixer": "~2.2.20||~2.15.1",
+                "json-schema/json-schema-test-suite": "1.2.0",
+                "phpunit/phpunit": "^4.8.35"
+            },
+            "bin": [
+                "bin/validate-json"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "JsonSchema\\": "src/JsonSchema/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bruno Prieto Reis",
+                    "email": "bruno.p.reis@gmail.com"
+                },
+                {
+                    "name": "Justin Rainbow",
+                    "email": "justin.rainbow@gmail.com"
+                },
+                {
+                    "name": "Igor Wiedler",
+                    "email": "igor@wiedler.ch"
+                },
+                {
+                    "name": "Robert Schönthal",
+                    "email": "seroscho@googlemail.com"
+                }
+            ],
+            "description": "A library to validate a json schema.",
+            "homepage": "https://github.com/justinrainbow/json-schema",
+            "keywords": [
+                "json",
+                "schema"
+            ],
+            "support": {
+                "issues": "https://github.com/justinrainbow/json-schema/issues",
+                "source": "https://github.com/justinrainbow/json-schema/tree/5.2.12"
+            },
+            "time": "2022-04-13T08:02:27+00:00"
+        },
+        {
+            "name": "localheinz/diff",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/localheinz/diff.git",
+                "reference": "851bb20ea8358c86f677f5f111c4ab031b1c764c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/localheinz/diff/zipball/851bb20ea8358c86f677f5f111c4ab031b1c764c",
+                "reference": "851bb20ea8358c86f677f5f111c4ab031b1c764c",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^7.5 || ^8.0",
+                "symfony/process": "^4.2 || ^5"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
+                }
+            ],
+            "description": "Fork of sebastian/diff for use with ergebnis/composer-normalize",
+            "homepage": "https://github.com/localheinz/diff",
+            "keywords": [
+                "diff",
+                "udiff",
+                "unidiff",
+                "unified diff"
+            ],
+            "support": {
+                "source": "https://github.com/localheinz/diff/tree/main"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-07-06T04:49:32+00:00"
+        },
         {
             "name": "myclabs/deep-copy",
             "version": "1.11.0",
@@ -4347,7 +4745,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.4|^8.0"
+        "php": "^7.4 || ^8.0"
     },
     "platform-dev": [],
     "plugin-api-version": "2.3.0"