diff --git a/composer.json b/composer.json
index 1f9b209..e67da91 100644
--- a/composer.json
+++ b/composer.json
@@ -28,18 +28,18 @@
     "require": {
         "php": ">=8.2",
         "psr/log": "^2|^3",
-        "symfony/filesystem": "^7.0",
+        "symfony/filesystem": "^6.4|^7.0",
         "symfony/http-client-contracts": "^3.5",
-        "symfony/process": "^7.0"
+        "symfony/process": "^6.4|^7.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^1.12",
         "phpunit/phpunit": "^10.5",
-        "symfony/asset-mapper": "^7.1",
-        "symfony/console": "^7.1",
-        "symfony/framework-bundle": "^7.1",
-        "symfony/http-client": "^7.1",
-        "symfony/http-kernel": "^7.1"
+        "symfony/asset-mapper": "^6.4|^7.0",
+        "symfony/console": "^6.4|^7.0",
+        "symfony/framework-bundle": "^6.4|^7.0",
+        "symfony/http-client": "^6.4|^7.0",
+        "symfony/http-kernel": "^6.4|^7.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Command/MinifyAssetCommand.php b/src/Command/MinifyAssetCommand.php
index fb532fb..cf65469 100644
--- a/src/Command/MinifyAssetCommand.php
+++ b/src/Command/MinifyAssetCommand.php
@@ -91,7 +91,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         /** @var 'css'|'js' $typeArg */
         $typeArg = $input->getOption('type') ?? pathinfo($inputArg, PATHINFO_EXTENSION);
-        $inputArg = $fs->readFile($inputArg);
+        $inputArg = file_get_contents($inputArg);
 
         $output = $this->minifier->minify($inputArg, $typeArg);