diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a495937..3d23960 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.3"
+          - "8.4"
 
     steps:
       - uses: "actions/checkout@v5"
@@ -40,11 +40,11 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.4"
+          - "8.5"
         code-coverage:
           - "none"
         include:
-          - php-version: "8.3"
+          - php-version: "8.4"
             code-coverage: "pcov"
 
     steps:
@@ -70,7 +70,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.3"
+          - "8.4"
 
     steps:
       - uses: "actions/checkout@v5"
@@ -89,7 +89,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.3"
+          - "8.4"
 
     steps:
       - uses: "actions/checkout@v5"
diff --git a/composer.json b/composer.json
index ae9e974..66663cf 100644
--- a/composer.json
+++ b/composer.json
@@ -11,14 +11,14 @@
         }
     ],
     "require": {
-        "php": "~8.3.0 || ~8.4.0"
+        "php": "~8.4.0 || ~8.5.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^2.1.31",
         "phpstan/phpstan-phpunit": "^2.0.7",
         "phpstan/phpstan-strict-rules": "^2.0.7",
         "phpunit/phpunit": "^12.4.1",
-        "slam/php-cs-fixer-extensions": "^3.13.0",
+        "slam/php-cs-fixer-extensions": "^3.14.0",
         "symfony/console": "^7.3.4"
     },
     "autoload": {