diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 3dfafc4..3dc0c37 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -9,23 +9,23 @@ on:
 jobs:
   build:
     name: "Checking the package: testing and linting"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     strategy:
       matrix:
-        php: [ "8.3" ]
+        php: [ "8.3", "8.4" ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 # https://github.com/actions/checkout
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@c541c155eee45413f5b09a52248675b1a2575231 # 2.31.1 # https://github.com/shivammathur/setup-php
         with:
           php-version: ${{ matrix.php }}
           coverage: none
 
       - name: Cache composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2 # https://github.com/actions/cache
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
diff --git a/composer.json b/composer.json
index c9cacf2..40414ad 100644
--- a/composer.json
+++ b/composer.json
@@ -11,18 +11,18 @@
   "license": "MIT",
   "require": {
     "php": "^8.3",
-    "illuminate/config": "^11.0",
-    "illuminate/console": "^11.0",
-    "illuminate/http": "^11.0",
-    "illuminate/support": "^11.0",
-    "illuminate/testing": "^11.34",
-    "kirschbaum-development/laravel-openapi-validator": "^1.0",
-    "marcelthole/openapi-merge": "^2.3"
+    "illuminate/config": "^12.7.2",
+    "illuminate/console": "^12.7.2",
+    "illuminate/http": "^12.7.2",
+    "illuminate/support": "^12.7.2",
+    "illuminate/testing": "^12.7.2",
+    "kirschbaum-development/laravel-openapi-validator": "^1.1.0",
+    "marcelthole/openapi-merge": "^2.4.0"
   },
   "require-dev": {
-    "blumilksoftware/codestyle": "^4.0",
-    "orchestra/testbench": "^9.6",
-    "phpunit/phpunit": "^11.1"
+    "blumilksoftware/codestyle": "^4.1.0",
+    "orchestra/testbench": "^10.2.0",
+    "phpunit/phpunit": "^12.1.0"
   },
   "autoload": {
     "psr-4": {
@@ -35,8 +35,8 @@
     }
   },
   "scripts": {
-    "cs": "./vendor/bin/php-cs-fixer fix --dry-run --diff --config codestyle.php",
-    "csf": "./vendor/bin/php-cs-fixer fix --diff --config codestyle.php",
+    "cs": "PHP_CS_FIXER_IGNORE_ENV=on ./vendor/bin/php-cs-fixer fix --dry-run --diff --config codestyle.php",
+    "csf": "PHP_CS_FIXER_IGNORE_ENV=on ./vendor/bin/php-cs-fixer fix --diff --config codestyle.php",
     "test": "./vendor/bin/phpunit tests --colors"
   },
   "config": {
diff --git a/docker-compose.yml b/docker-compose.yml
index 71a7c34..b1ba5c6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   php:
-    image: ghcr.io/blumilksoftware/php:8.3
+    image: ghcr.io/blumilksoftware/php:8.4
     container_name: blumilk-openapi-toolbox-php
     working_dir: /application
     user: ${CURRENT_UID:-1000}