diff --git a/composer.json b/composer.json
index 9f3cccf..faa0015 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "require": {
         "php": "^7.4",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.5.0",
-        "slevomat/coding-standard": "^4.8.6",
+        "slevomat/coding-standard": "^6.0",
         "squizlabs/php_codesniffer": "^3.4.0"
     },
     "config": {