diff --git a/composer.json b/composer.json
index ebfef6e..2591fc6 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "type": "library",
     "require": {
         "php": "^7.3|^8.0",
-        "friendsofphp/php-cs-fixer": "^3.2"
+        "friendsofphp/php-cs-fixer": "^3.9"
     },
     "license": "MIT",
     "authors": [
diff --git a/src/Config.php b/src/Config.php
index fb37bf2..c6b229a 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -23,10 +23,9 @@ public function getRules() : array {
 			],
 			'blank_line_after_namespace' => true,
 			'blank_line_after_opening_tag' => true,
-			'braces' => [
-				'position_after_anonymous_constructs' => 'same',
-				'position_after_control_structures' => 'same',
-				'position_after_functions_and_oop_constructs' => 'same',
+			'curly_braces_position' => [
+				'classes_opening_brace' => 'same_line',
+				'functions_opening_brace' => 'same_line',
 			],
 			'elseif' => true,
 			'encoding' => true,