diff --git a/composer.json b/composer.json
index a40818f..64b835c 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "php-mqtt/client": "^2.1"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "^3.5"
+        "squizlabs/php_codesniffer": "^3.5 || ^4.0"
     },
     "autoload": {
         "psr-4": {