diff --git a/.github/workflows/php-cs-fixer.yml b/.github/workflows/php-cs-fixer.yml
new file mode 100644
index 0000000..2051653
--- /dev/null
+++ b/.github/workflows/php-cs-fixer.yml
@@ -0,0 +1,42 @@
+name: PHP CS Fixer
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    paths:
+      - '**.php'
+
+concurrency:
+  # The concurrency group contains the workflow name and the branch name.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  php-cs-fixer:
+    name: "PHP CS Fixer"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.3
+
+      - uses: "ramsey/composer-install@v3"
+        with:
+          dependency-versions: highest
+
+      - name: Run PHP CS Fixer
+        run: "composer run-script cs"
+
+      - name: Commit changes
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: ":art: Fix code styling"
diff --git a/.gitignore b/.gitignore
index 359e502..0c11122 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ cldr-json/
 data-git/
 tests/testOutput/
 /.phpunit.result.cache
+/.php-cs-fixer.cache
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
new file mode 100644
index 0000000..1333547
--- /dev/null
+++ b/.php-cs-fixer.dist.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__);
+
+$config = new PhpCsFixer\Config();
+return $config->setRules(
+    [
+        '@PER-CS2.0' => true,
+        '@PHP74Migration' => true,
+        'single_quote' => true,
+        'no_unused_imports' => true,
+        'no_superfluous_phpdoc_tags' => [
+            'allow_hidden_params' => true,
+            'allow_mixed' => true,
+            'remove_inheritdoc' => true,
+        ],
+        'phpdoc_trim' => true,
+    ]
+)
+->setParallelConfig(PhpCsFixer\Runner\Parallel\ParallelConfigFactory::detect())
+->setFinder($finder);
diff --git a/.styleci.yml b/.styleci.yml
deleted file mode 100644
index cd67bf6..0000000
--- a/.styleci.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-preset: psr12
-
-finder:
-  exclude:
-    - "data"
diff --git a/build.xml b/build.xml
index 1253c42..6de376f 100644
--- a/build.xml
+++ b/build.xml
@@ -22,7 +22,7 @@
     </target>
 
     <target name="compile" description="Build data"
-            depends="cleanup-data,build-data">
+            depends="cleanup-data,build-data,cs-fixer">
     </target>
 
     <target name="cleanup-data" description="Cleanup built data">
@@ -65,4 +65,9 @@
         </exec>
     </target>
 
+    <target name="cs-fixer">
+        <exec executable="vendor/bin/php-cs-fixer" passthru="true">
+            <arg value="fix"/>
+        </exec>
+    </target>
 </project>
diff --git a/composer.json b/composer.json
index a771089..3320725 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     }
   ],
   "require": {
-    "php": ">=7.2"
+    "php": "^7.4|^8.0"
   },
   "require-dev": {
     "ext-json": "*",
@@ -24,7 +24,8 @@
     "symfony/console": "^5.0|^6.0",
     "symfony/filesystem": "^5.0|^6.0",
     "symfony/process": "^5.0|^6.0",
-    "symfony/finder": "^5.0|^6.0"
+    "symfony/finder": "^5.0|^6.0",
+    "friendsofphp/php-cs-fixer": "^3.64"
   },
   "autoload": {
     "psr-4": {
@@ -43,7 +44,7 @@
       "tests/",
       ".gitattributes",
       ".gitignore",
-      ".styleci.yml",
+      ".php-cs-fixer.dist.php",
       ".travis.yml",
       "build.xml",
       "phpunit.xml.dist"