diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 748494f..ac7c67d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: [ '8.2', '8.3' ]
+        php-version: [ '8.2', '8.3', '8.4' ]
 
     steps:
       - uses: actions/checkout@v4
@@ -40,7 +40,7 @@ jobs:
         run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: php-cs-fixer
-        run: composer cs
+        run: PHP_CS_FIXER_IGNORE_ENV=1 composer cs
 
       - name: phpunit
         run: composer test