diff --git a/composer.json b/composer.json
index 1fb17dd..1601f6d 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/phpstan": "^1.10.59",
         "psr/http-factory": "^1.0",
-        "squizlabs/php_codesniffer": "^3.8"
+        "squizlabs/php_codesniffer": "^3.9"
     },
     "autoload": {
         "psr-4": {