diff --git a/composer.json b/composer.json
index feb00ff..3c2bc01 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "squizlabs/php_codesniffer": "^3.8",
+        "squizlabs/php_codesniffer": "^3.9",
         "phpcompatibility/php-compatibility": "dev-develop"
     },
     "suggest": {