diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd94fb8..76375de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.0', '8.1', '8.2', '8.3']
+        php-versions: ['8.0', '8.1', '8.2', '8.3','8.4']
         coverage: ['pcov']
         code-style: ['no']
         code-analysis: ['no']
@@ -21,7 +21,7 @@ jobs:
             coverage: 'none'
             code-style: 'yes'
             code-analysis: 'yes'
-          - php-versions: '8.4'
+          - php-versions: '8.5'
             coverage: 'pcov'
             code-style: 'no'
             code-analysis: 'yes'
diff --git a/composer.json b/composer.json
index faf06b3..36e685c 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
         }
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.64",
+        "friendsofphp/php-cs-fixer": "^3.91",
         "phpstan/phpstan": "^1.12",
         "phpunit/phpunit" : "^9.6"
     },