diff --git a/composer.json b/composer.json
index a94a97b..895939d 100644
--- a/composer.json
+++ b/composer.json
@@ -3,6 +3,6 @@
     "description": "UpCloud WHMCS module",
     "license": "MIT",
     "require-dev": {
-        "squizlabs/php_codesniffer": "4.0.0"
+        "squizlabs/php_codesniffer": "4.0.1"
     }
 }
diff --git a/composer.lock b/composer.lock
index dc16dc5..aa0ab74 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "aff5dc682fca5a9ed914c33e2f9d87af",
+    "content-hash": "ef13b60d31202ccb9c8bbc8e5bb90e81",
     "packages": [],
     "packages-dev": [
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "4.0.0",
+            "version": "4.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "06113cfdaf117fc2165f9cd040bd0f17fcd5242d"
+                "reference": "0525c73950de35ded110cffafb9892946d7771b5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/06113cfdaf117fc2165f9cd040bd0f17fcd5242d",
-                "reference": "06113cfdaf117fc2165f9cd040bd0f17fcd5242d",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/0525c73950de35ded110cffafb9892946d7771b5",
+                "reference": "0525c73950de35ded110cffafb9892946d7771b5",
                 "shasum": ""
             },
             "require": {
@@ -84,7 +84,7 @@
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-09-15T11:28:58+00:00"
+            "time": "2025-11-10T16:43:36+00:00"
         }
     ],
     "aliases": [],