diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e544589..32ce4c25 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,14 +37,17 @@ jobs:
           - php-version: '8.0'
             phpunit-version: 9
             symfony-version: '^6'
+          - php-version: '8.3'
+            phpunit-version: 9
+            symfony-version: '^7'
           # Minimum supported dependencies with the oldest PHP version
           - php-version: '7.1'
             phpunit-version: 7
             composer-flag: '--prefer-stable --prefer-lowest'
           # Test latest unreleased versions
-          - php-version: '8.0'
+          - php-version: '8.3'
             phpunit-version: 9
-            symfony-version: '^6'
+            symfony-version: '^7'
             stability: 'dev'
     name: PHP ${{ matrix.php-version }} Test on Symfony ${{ matrix.symfony-version }} ${{ matrix.dependencies}} ${{ matrix.stability }} ${{ matrix.composer-flag }}
     steps:
diff --git a/composer.json b/composer.json
index 997105ad..0c0222cb 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,9 @@
     "require": {
         "ext-json": "*",
         "php": "^7.1|^8.0",
-        "symfony/console": "^3.4|^4.0|^5.0|^6.0",
-        "symfony/yaml": "^3.4|^4.0|^5.0|^6.0",
-        "symfony/process": "^3.4|^4.0|^5.0|^6.0",
+        "symfony/console": "^3.4|^4.0|^5.0|^6.0|^7.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0|^6.0|^7.0",
+        "symfony/process": "^3.4|^4.0|^5.0|^6.0|^7.0",
         "composer/semver": "^3.4"
     },
     "autoload": {
diff --git a/src/Liip/RMT/Output/Output.php b/src/Liip/RMT/Output/Output.php
index cb01570b..2fa480c5 100644
--- a/src/Liip/RMT/Output/Output.php
+++ b/src/Liip/RMT/Output/Output.php
@@ -48,7 +48,7 @@ public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = nu
         $this->getFormatter()->setStyle('title', new OutputFormatterStyle('white', 'blue'));
     }
 
-    public function doWrite($message, $newline)
+    public function doWrite($message, $newline): void
     {
         // In case the $message is multi lines
         $message = str_replace(PHP_EOL, PHP_EOL.$this->getIndentPadding(), $message);