diff --git a/composer.json b/composer.json
index 659cd14..d0c188e 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
     "php-http/psr7-integration-tests": "^1.5",
     "phpstan/phpstan": "^2.1",
     "phpunit/phpunit": "^9.6 || ^10",
-    "squizlabs/php_codesniffer": "^3.13"
+    "squizlabs/php_codesniffer": "^4.0"
   },
   "provide": {
     "psr/http-message-implementation": "^1.0 || ^2.0",