diff --git a/.github/workflows/ci_build.yml b/.github/workflows/ci_build.yml
index a07daf14..6a4336eb 100644
--- a/.github/workflows/ci_build.yml
+++ b/.github/workflows/ci_build.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.2', '8.3', '8.4']
+        php-versions: ['8.2', '8.3', '8.4']
     steps:
       - name: Setup PHP Action
         uses: shivammathur/setup-php@v2
diff --git a/README.md b/README.md
index 0db8c34a..1c3686ee 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,9 @@ ErrorHeroModule
 [![PHPStan](https://img.shields.io/badge/style-level%20max-brightgreen.svg?style=flat-square&label=phpstan)](https://github.com/phpstan/phpstan)
 [![Downloads](https://poser.pugx.org/samsonasik/error-hero-module/downloads)](https://packagist.org/packages/samsonasik/error-hero-module)
 
-> This is README for version ^5.0 which only support Laminas Mvc version 3 and Mezzio version 3 with php ^8.1.
+> This is README for version ^6.0 which only support Laminas Mvc version 3 and Mezzio version 3 with php ^8.2.
+
+> For version ^5.0, you can read at [version 5 readme](https://github.com/samsonasik/ErrorHeroModule/tree/5.x.x) which only support Laminas Mvc version 3 and Mezzio version 3 with php ^8.1.
 
 > For version ^4.0, you can read at [version 4 readme](https://github.com/samsonasik/ErrorHeroModule/tree/4.x.x) which only support Laminas Mvc version 3 and Mezzio version 3 with php ^8.0.
 
diff --git a/composer.json b/composer.json
index f56424b5..69e50695 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         }
     ],
     "require": {
-        "php": "^8.1",
+        "php": "^8.2",
         "laminas/laminas-db": "^2.20.0",
         "laminas/laminas-diactoros": "^2.26",
         "laminas/laminas-log": "^2.17.1",
diff --git a/src/Handler/Writer/Checker/Db.php b/src/Handler/Writer/Checker/Db.php
index 456661b6..722c0941 100644
--- a/src/Handler/Writer/Checker/Db.php
+++ b/src/Handler/Writer/Checker/Db.php
@@ -12,7 +12,7 @@
 use function date;
 use function strtotime;
 
-final class Db
+final readonly class Db
 {
     /** @var string */
     private const OPTIONS = 'options';
@@ -24,9 +24,9 @@ final class Db
     private const EXTRA = 'extra';
 
     public function __construct(
-        private readonly DbWriter $dbWriter,
-        private readonly array $configLoggingSettings,
-        private readonly array $logWritersConfig
+        private DbWriter $dbWriter,
+        private array $configLoggingSettings,
+        private array $logWritersConfig
     ) {
     }