diff --git a/.github/workflows/composer-json-lint.yml b/.github/workflows/composer-json-lint.yml
new file mode 100644
index 00000000..86e990df
--- /dev/null
+++ b/.github/workflows/composer-json-lint.yml
@@ -0,0 +1,67 @@
+name: "Lint composer.json"
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  coding-standards:
+    name: "Lint composer.json"
+
+    runs-on: ${{ matrix.operating-system }}
+
+    strategy:
+      matrix:
+        dependencies:
+          - "highest"
+        php-version:
+          - "8.2"
+        operating-system:
+          - "ubuntu-latest"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php-version }}"
+          ini-values: memory_limit=-1
+          tools: composer:v2, composer-normalize, composer-require-checker, composer-unused
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: "Cache dependencies"
+        uses: "actions/cache@v3"
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-${{ hashFiles('**/composer.lock') }}"
+          restore-keys: "php-${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-"
+
+      - name: "Install lowest dependencies"
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: "composer update --prefer-lowest --no-interaction --no-progress"
+
+      - name: "Install highest dependencies"
+        if: ${{ matrix.dependencies == 'highest' }}
+        run: "composer update --no-interaction --no-progress"
+
+      - name: "Install locked dependencies"
+        if: ${{ matrix.dependencies == 'locked' }}
+        run: "composer install --no-interaction --no-progress"
+
+      - name: "Validate composer.json"
+        run: "composer validate --strict"
+
+      - name: "Normalize composer.json"
+        run: "composer-normalize --dry-run"
+
+      - name: "Check composer.json explicit dependencies"
+        run: "composer-require-checker check"
+
+      - name: "Check composer.json unused dependencies"
+        run: "composer-unused"
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 2634d041..df58d7e9 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -19,6 +19,7 @@ jobs:
           - "development"
         php-version:
           - "8.2"
+          - "8.3"
         operating-system:
           - "ubuntu-latest"
 
@@ -73,7 +74,7 @@ jobs:
         dependencies:
           - "locked"
         php-version:
-          - "8.3"
+          - "8.4"
         operating-system:
           - "ubuntu-latest"
 
diff --git a/composer.json b/composer.json
index ce0df2e3..f2cd93b7 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "~8.2.0",
+        "php": "~8.2.0 || ~8.3.0",
         "psr/clock": "^1.0"
     },
     "require-dev": {
@@ -23,6 +23,9 @@
         "phpstan/phpstan-strict-rules": "^1.5.1",
         "phpunit/phpunit": "^10.2.3"
     },
+    "provide": {
+        "psr/clock-implementation": "1.0"
+    },
     "autoload": {
         "psr-4": {
             "Lcobucci\\Clock\\": "src"
@@ -34,15 +37,12 @@
         }
     },
     "config": {
-        "preferred-install": "dist",
-        "sort-packages": true,
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
             "infection/extension-installer": true,
             "phpstan/extension-installer": true
-        }
-    },
-    "provide": {
-        "psr/clock-implementation": "1.0"
+        },
+        "preferred-install": "dist",
+        "sort-packages": true
     }
 }
diff --git a/composer.lock b/composer.lock
index 51aafb4d..33d1713f 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": "1f207478dd6a314116c0358c5a09ce36",
+    "content-hash": "618833639c5faf5b307de4b2832d03a1",
     "packages": [
         {
             "name": "psr/clock",
@@ -1257,16 +1257,16 @@
         },
         {
             "name": "phpstan/phpdoc-parser",
-            "version": "1.23.0",
+            "version": "1.24.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpdoc-parser.git",
-                "reference": "a2b24135c35852b348894320d47b3902a94bc494"
+                "reference": "bcad8d995980440892759db0c32acae7c8e79442"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/a2b24135c35852b348894320d47b3902a94bc494",
-                "reference": "a2b24135c35852b348894320d47b3902a94bc494",
+                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/bcad8d995980440892759db0c32acae7c8e79442",
+                "reference": "bcad8d995980440892759db0c32acae7c8e79442",
                 "shasum": ""
             },
             "require": {
@@ -1298,9 +1298,9 @@
             "description": "PHPDoc parser with support for nullable, intersection and generic types",
             "support": {
                 "issues": "https://github.com/phpstan/phpdoc-parser/issues",
-                "source": "https://github.com/phpstan/phpdoc-parser/tree/1.23.0"
+                "source": "https://github.com/phpstan/phpdoc-parser/tree/1.24.2"
             },
-            "time": "2023-07-23T22:17:56+00:00"
+            "time": "2023-09-26T12:28:12+00:00"
         },
         {
             "name": "phpstan/phpstan",
@@ -2596,16 +2596,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "5.1.0",
+            "version": "5.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "c3fa8483f9539b190f7cd4bfc4a07631dd1df344"
+                "reference": "64f51654862e0f5e318db7e9dcc2292c63cdbddc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/c3fa8483f9539b190f7cd4bfc4a07631dd1df344",
-                "reference": "c3fa8483f9539b190f7cd4bfc4a07631dd1df344",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/64f51654862e0f5e318db7e9dcc2292c63cdbddc",
+                "reference": "64f51654862e0f5e318db7e9dcc2292c63cdbddc",
                 "shasum": ""
             },
             "require": {
@@ -2619,7 +2619,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "5.0-dev"
+                    "dev-main": "5.1-dev"
                 }
             },
             "autoload": {
@@ -2662,7 +2662,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
                 "security": "https://github.com/sebastianbergmann/exporter/security/policy",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.0"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.1"
             },
             "funding": [
                 {
@@ -2670,7 +2670,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-09-18T07:15:37+00:00"
+            "time": "2023-09-24T13:22:09+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -4295,7 +4295,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.2.0"
+        "php": "~8.2.0 || ~8.3.0"
     },
     "platform-dev": [],
     "plugin-api-version": "2.6.0"