diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f86aad9..889c04c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,7 +18,7 @@ jobs:
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: 8.3
+                  php-version: 8.4
                   coverage: none
 
             - name: Install dependencies
@@ -27,7 +27,7 @@ jobs:
                   dependency-versions: ${{ matrix.dependencies }}
 
             - name: PHP-CS-Fixer
-              run: php vendor/bin/php-cs-fixer fix --dry-run --diff --no-ansi
+              run: PHP_CS_FIXER_IGNORE_ENV=1 php vendor/bin/php-cs-fixer fix --dry-run --diff --no-ansi
 
     phpstan:
         runs-on: ubuntu-latest
@@ -38,7 +38,7 @@ jobs:
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: 8.3
+                  php-version: 8.4
                   coverage: none
 
             - name: Install dependencies
@@ -58,7 +58,7 @@ jobs:
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: 8.3
+                  php-version: 8.4
                   coverage: none
 
             - name: Install dependencies
@@ -76,12 +76,12 @@ jobs:
                 include:
                     # Latest Symfony version support
                     -   os: ubuntu-latest
-                        php_version: "8.3"
+                        php_version: "8.4"
                         symfony_version: "7.0"
                         stability: "stable"
                     # LTS Symfony version support
                     -   os: ubuntu-latest
-                        php_version: "8.3"
+                        php_version: "8.4"
                         symfony_version: "6.4"
                         stability: "stable"
                     # Lowest deps support
@@ -92,8 +92,8 @@ jobs:
                         stability: "stable"
                     # Upcoming Symfony versions
                     -   os: ubuntu-latest
-                        php_version: "8.3"
-                        symfony_version: "7.1.x-dev"
+                        php_version: "8.4"
+                        symfony_version: "7.2.x-dev"
                         stability: "dev"
 
         runs-on: ${{ matrix.os }}
diff --git a/.infrastructure/frankenphp/Dockerfile b/.infrastructure/frankenphp/Dockerfile
index 9901501..61d845d 100644
--- a/.infrastructure/frankenphp/Dockerfile
+++ b/.infrastructure/frankenphp/Dockerfile
@@ -1,4 +1,4 @@
-FROM dunglas/frankenphp:latest-php8.3-alpine
+FROM dunglas/frankenphp:latest-php8.4-alpine
 
 # persistent / runtime deps
 RUN apk add --no-cache \
diff --git a/phpunit.dist.xml b/phpunit.dist.xml
index 858a0c9..35ac3cf 100644
--- a/phpunit.dist.xml
+++ b/phpunit.dist.xml
@@ -15,6 +15,7 @@
         <env name="APP_ENV" value="test" />
         <env name="KERNEL_CLASS" value="Mezcalito\FileManagerBundle\Tests\TestApplication\Kernel" />
         <server name="SHELL_VERBOSITY" value="-1" />
+        <server name="SYMFONY_DEPRECATIONS_HELPER" value="disabled" />
     </php>
 
     <testsuites>