diff --git a/checkcodingstyle b/checkcodingstyle
index 4604356..1469eba 100755
--- a/checkcodingstyle
+++ b/checkcodingstyle
@@ -7,6 +7,6 @@ surl=$(curl -s https://api.github.com/repos/fabpot/local-php-security-checker/re
 [ -e php-cs-fixer ] || curl -L https://cs.symfony.com/download/php-cs-fixer-v3.phar >php-cs-fixer
 chmod +x local-php-security-checker php-cs-fixer
 
-./php-cs-fixer fix --rules @PER,@PHP83Migration --dry-run --diff .
+./php-cs-fixer fix --rules @PER,@PHP84Migration --dry-run --diff .
 
 ./local-php-security-checker