diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 4ae74ece..fc88e125 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,25 +1,13 @@
-{
-  "version": 2,
-  "updates": [
-    {
-      "allow": [
-        {
-          "dependency-type": "all"
-        }
-      ],
-      "directory": "/",
-      "package-ecosystem": "composer",
-      "schedule": {
-        "interval": "daily"
-      },
-      "versioning-strategy": "increase"
-    },
-    {
-      "directory": "/",
-      "package-ecosystem": "github-actions",
-      "schedule": {
-        "interval": "daily"
-      }
-    }
-  ]
-}
+version: 2
+updates:
+  - allow:
+      - dependency-type: "all"
+    directory: "/"
+    package-ecosystem: "composer"
+    schedule:
+      interval: "weekly"
+    versioning-strategy: "increase"
+  - directory: "/"
+    package-ecosystem: "github-actions"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 1981e254..25567412 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -4,8 +4,8 @@ on:
   pull_request:
   push:
     branches:
-      - 'refs/pull/*'
-      - 'main'
+      - "refs/pull/*"
+      - "main"
 
 jobs:
   matrix:
diff --git a/.github/workflows/cs.yaml b/.github/workflows/cs.yaml
deleted file mode 100644
index c2496e6c..00000000
--- a/.github/workflows/cs.yaml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: Code Style
-
-on:
-    pull_request:
-    push:
-        branches:
-            - 'refs/pull/*'
-            - 'main'
-
-jobs:
-    build:
-        runs-on: ubuntu-latest
-
-        strategy:
-            matrix:
-                include:
-                    - { operating-system: 'ubuntu-latest', php-version: '8.2', dependencies: '' }
-
-        name: PHP ${{ matrix.php-version }}
-
-        steps:
-            -   uses: actions/checkout@v2
-
-            -   name: Setup PHP
-                uses: shivammathur/setup-php@v2
-                with:
-                    php-version: ${{ matrix.php-version }}
-                    coverage: pcov
-                    tools: composer:v2
-
-            -   name: Install dependencies
-                run: |
-                    composer install --no-interaction --prefer-dist --no-progress ${{ matrix.dependencies }}
-
-            -   name: Check code style
-                run: |
-                    php vendor/bin/php-cs-fixer --using-cache=no --diff --dry-run --stop-on-violation --verbose fix
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
deleted file mode 100644
index 3c5fda8f..00000000
--- a/.github/workflows/phpstan.yml
+++ /dev/null
@@ -1,52 +0,0 @@
-name: PHPStan
-on:
-  pull_request:
-  push:
-    branches:
-      - 'refs/pull/*'
-      - '5.x'
-
-env:
-  CI: true
-
-jobs:
-  run:
-    name: PHPStan ${{ matrix.php }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ ubuntu-latest ]
-        php: [ '8.2' ]
-
-    steps:
-      -   name: Checkout
-          uses: actions/checkout@v4
-
-      -   name: Install PHP
-          uses: shivammathur/setup-php@v2
-          with:
-            coverage: none
-            php-version: ${{ matrix.php }}
-            ini-values: memory_limit=-1
-            tools: composer:v2
-
-      -   name: Determine composer cache directory
-          id: composer-cache
-          run: |
-            echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-
-      -   name: Cache composer dependencies
-          uses: actions/cache@v4.0.0
-          with:
-            path: ${{ steps.composer-cache.outputs.dir }}
-            key: ${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
-            restore-keys: |
-              ${{ matrix.php }}-composer-
-
-      -   name: Install Dependencies
-          run: composer update --no-progress --ansi
-
-      -   name: PHPStan
-          run: ./vendor/bin/phpstan analyse
diff --git a/.laminas-ci.json b/.laminas-ci.json
index a62e148d..46a9f393 100644
--- a/.laminas-ci.json
+++ b/.laminas-ci.json
@@ -1,7 +1,11 @@
 {
-  "exclude": [
+  "additional_checks": [
     {
-      "name": "README Linting [8.0, latest]"
+      "name": "PHPStan",
+      "job": {
+        "command": "./vendor/bin/phpstan analyse",
+        "php": "8.2"
+      }
     }
   ]
 }
diff --git a/README.md b/README.md
index 8b1adc54..85b19817 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
-ZUGFeRD PHP
-===========
+# ZUGFeRD PHP
 
-[![Latest Stable Version](https://poser.pugx.org/silarhi/zugferd-factur-x/v/stable.png)](https://packagist.org/packages/silarhi/zugferd-factur-x) [![Total Downloads](https://poser.pugx.org/silarhi/zugferd-factur-x/downloads.png)](https://packagist.org/packages/silarhi/zugferd-factur-x) [![Latest Unstable Version](https://poser.pugx.org/silarhi/zugferd-factur-x/v/unstable.png)](https://packagist.org/packages/silarhi/zugferd-factur-x) [![License](https://poser.pugx.org/silarhi/zugferd-factur-x/license.png)](https://packagist.org/packages/silarhi/zugferd-factur-x)
+![Build Status](https://github.com/silarhi/zugferd-factur-x/actions/workflows/continuous-integration.yml/badge.svg)
+[![Latest Stable Version](https://poser.pugx.org/silarhi/zugferd-factur-x/v/stable)](https://packagist.org/packages/silarhi/zugferd-factur-x)
+[![Total Downloads](https://poser.pugx.org/silarhi/zugferd-factur-x/downloads)](https://packagist.org/packages/silarhi/zugferd-factur-x)
+[![License](https://poser.pugx.org/silarhi/zugferd-factur-x/license)](https://packagist.org/packages/silarhi/zugferd-factur-x)
 
 XML generator for ZUGFeRD / Factur-X / XRechnung written in PHP. Convert PHP Objects to XML and back.
 
diff --git a/composer.json b/composer.json
index d610d411..db93e9d3 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     }
   ],
   "require": {
-    "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0",
+    "php": ">=8.0",
     "jms/serializer": "^3.18",
     "ext-dom": "*"
   },