diff --git a/CHANGELOG.md b/CHANGELOG.md
index 584d126..4319259 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `semicolon_after_instruction` fixer.
 - `types_spaces` fixer.
 - `no_trailing_comma_in_singleline` fixer.
+- `no_useless_concat_operator` fixer.
 
 ### Changed
 - `friendsofphp/php-cs-fixer` version bumped to `^3`.
diff --git a/composer.json b/composer.json
index 1186313..598482f 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     "homepage": "https://github.com/elyby/php-code-style",
     "require": {
         "php": "^7.4 || ^8.0",
-        "friendsofphp/php-cs-fixer": "^3.11"
+        "friendsofphp/php-cs-fixer": "^3.13"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.28",
diff --git a/composer.lock b/composer.lock
index 4d96842..f72755a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "607064616a9a1792ffcb571b67dabb7f",
+    "content-hash": "984ffa466fb6bc9281a36b8701147fee",
     "packages": [
         {
             "name": "composer/pcre",
@@ -375,16 +375,16 @@
         },
         {
             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.11.0",
+            "version": "v3.13.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
-                "reference": "7dcdea3f2f5f473464e835be9be55283ff8cfdc3"
+                "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
+                "reference": "a6232229a8309e8811dc751c28b91cb34b2943e1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/FriendsOfPHP/PHP-CS-Fixer/zipball/7dcdea3f2f5f473464e835be9be55283ff8cfdc3",
-                "reference": "7dcdea3f2f5f473464e835be9be55283ff8cfdc3",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/a6232229a8309e8811dc751c28b91cb34b2943e1",
+                "reference": "a6232229a8309e8811dc751c28b91cb34b2943e1",
                 "shasum": ""
             },
             "require": {
@@ -408,7 +408,7 @@
             },
             "require-dev": {
                 "justinrainbow/json-schema": "^5.2",
-                "keradus/cli-executor": "^1.5",
+                "keradus/cli-executor": "^2.0",
                 "mikey179/vfsstream": "^1.6.10",
                 "php-coveralls/php-coveralls": "^2.5.2",
                 "php-cs-fixer/accessible-object": "^1.1",
@@ -417,8 +417,8 @@
                 "phpspec/prophecy": "^1.15",
                 "phpspec/prophecy-phpunit": "^2.0",
                 "phpunit/phpunit": "^9.5",
-                "phpunitgoodpractices/polyfill": "^1.5",
-                "phpunitgoodpractices/traits": "^1.9.1",
+                "phpunitgoodpractices/polyfill": "^1.6",
+                "phpunitgoodpractices/traits": "^1.9.2",
                 "symfony/phpunit-bridge": "^6.0",
                 "symfony/yaml": "^5.4 || ^6.0"
             },
@@ -451,8 +451,8 @@
             ],
             "description": "A tool to automatically fix PHP code style",
             "support": {
-                "issues": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/issues",
-                "source": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/tree/v3.11.0"
+                "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.13.0"
             },
             "funding": [
                 {
@@ -460,7 +460,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-09-01T18:24:51+00:00"
+            "time": "2022-10-31T19:28:50+00:00"
         },
         {
             "name": "psr/cache",
diff --git a/src/Rules.php b/src/Rules.php
index 9927cbb..6f66f27 100644
--- a/src/Rules.php
+++ b/src/Rules.php
@@ -110,6 +110,7 @@ class Rules {
             'combine_nested_dirname' => true,
             'function_declaration' => [
                 'closure_function_spacing' => 'none',
+                'closure_fn_spacing' => 'none',
             ],
             'function_typehint_space' => true,
             'implode_call' => true,
@@ -153,6 +154,7 @@ class Rules {
             'new_with_braces' => [
                 'anonymous_class' => false,
             ],
+            'no_useless_concat_operator' => true,
             'no_useless_nullsafe_operator' => true,
             'object_operator_without_whitespace' => true,
             'operator_linebreak' => true,