diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6913425..c992c52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,5 +40,8 @@ jobs:
       - name: Validate composer
         run: composer validate --strict --no-check-lock
 
+      - name: "Run code-style check"
+        run: vendor/bin/php-cs-fixer fix --dry-run --config=.php-cs-fixer.dist.php --using-cache=no --show-progress=none -v
+
       - name: Run tests
         run: vendor/bin/phpunit
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
new file mode 100644
index 0000000..24f1d1f
--- /dev/null
+++ b/.php-cs-fixer.dist.php
@@ -0,0 +1,11 @@
+<?php
+
+require_once __DIR__ . '/vendor/autoload.php';
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__)
+;
+
+return Retailcrm\PhpCsFixer\Defaults::rules()
+    ->setFinder($finder)
+    ->setCacheFile(__DIR__ . '/.php_cs.cache');
diff --git a/Makefile b/Makefile
index 4a4f445..1555a58 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,9 @@ vendor: composer.json
 	@$(PHP) composer install -o -n --no-ansi
 	@touch vendor || true
 
+php-cs: $(PHP_CONSOLE_DEPS)
+	@$(PHP) vendor/bin/php-cs-fixer fix --config=.php-cs-fixer.dist.php --using-cache=no -v
+
 phpunit: $(PHP_CONSOLE_DEPS)
 	@$(PHP) vendor/bin/phpunit --color=always
 
diff --git a/composer.json b/composer.json
index 662e712..13f9670 100644
--- a/composer.json
+++ b/composer.json
@@ -24,10 +24,12 @@
     },
     "require-dev": {
         "doctrine/annotations": "^1.0",
+        "friendsofphp/php-cs-fixer": "^3",
         "friendsofsymfony/rest-bundle": "^3.7",
         "jms/serializer": "^3.15",
         "jms/serializer-bundle": "^4.1|^5.4",
         "phpunit/phpunit": "~9.5",
+        "retailcrm/php-code-style": "^1",
         "symfony/asset": "^5.0|^6.0",
         "symfony/browser-kit": "^5.0|^6.0",
         "symfony/translation": "^5.0|^6.0",