diff --git a/classes/PrestashopConfiguration.php b/classes/PrestashopConfiguration.php
index d3e87fcf4..c48e3b064 100644
--- a/classes/PrestashopConfiguration.php
+++ b/classes/PrestashopConfiguration.php
@@ -28,9 +28,14 @@
 namespace PrestaShop\Module\AutoUpgrade;
 
 use Exception;
+use Symfony\Component\Filesystem\Filesystem;
 
 class PrestashopConfiguration
 {
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
     // Variables used for cache
     /**
      * @var string
@@ -43,8 +48,9 @@ class PrestashopConfiguration
      */
     private $psRootDir;
 
-    public function __construct(string $psRootDir)
+    public function __construct(Filesystem $filesystem, string $psRootDir)
     {
+        $this->filesystem = $filesystem;
         $this->psRootDir = $psRootDir;
     }
 
@@ -60,7 +66,7 @@ public function getModuleVersion(): ?string
         // TODO: to be moved as property class in order to make tests possible
         $path = _PS_ROOT_DIR_ . '/modules/autoupgrade/config.xml';
 
-        if (file_exists($path)
+        if ($this->filesystem->exists($path)
             && $xml_module_version = simplexml_load_file($path)
         ) {
             $this->moduleVersion = (string) $xml_module_version->version;
@@ -84,7 +90,7 @@ public function getPrestaShopVersion(): string
             $this->psRootDir . '/src/Core/Version.php',
         ];
         foreach ($files as $file) {
-            if (!file_exists($file)) {
+            if (!$this->filesystem->exists($file)) {
                 continue;
             }
             $version = $this->findPrestaShopVersionInFile(file_get_contents($file));
diff --git a/classes/Services/ComposerService.php b/classes/Services/ComposerService.php
index 726422381..f5432f915 100644
--- a/classes/Services/ComposerService.php
+++ b/classes/Services/ComposerService.php
@@ -27,10 +27,22 @@
 
 namespace PrestaShop\Module\AutoUpgrade\Services;
 
+use Symfony\Component\Filesystem\Filesystem;
+
 class ComposerService
 {
     const COMPOSER_PACKAGE_TYPE = 'prestashop-module';
 
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
+    public function __construct(Filesystem $filesystem)
+    {
+        $this->filesystem = $filesystem;
+    }
+
     /**
      * Returns packages defined as PrestaShop modules in composer.lock
      *
@@ -38,7 +50,7 @@ class ComposerService
      */
     public function getModulesInComposerLock(string $composerFile): array
     {
-        if (!file_exists($composerFile)) {
+        if (!$this->filesystem->exists($composerFile)) {
             return [];
         }
         // Native modules are the one integrated in PrestaShop release via composer
@@ -52,7 +64,8 @@ public function getModulesInComposerLock(string $composerFile): array
         $modules = array_filter($content['packages'], function (array $package) {
             return self::COMPOSER_PACKAGE_TYPE === $package['type'] && !empty($package['name']);
         });
-        $modules = array_map(function (array $package) {
+
+        return array_map(function (array $package) {
             $vendorName = explode('/', $package['name']);
 
             return [
@@ -60,7 +73,5 @@ public function getModulesInComposerLock(string $composerFile): array
                 'version' => ltrim($package['version'], 'v'),
             ];
         }, $modules);
-
-        return $modules;
     }
 }
diff --git a/classes/Services/PrestashopVersionService.php b/classes/Services/PrestashopVersionService.php
index cb55407b5..fe2e712ae 100644
--- a/classes/Services/PrestashopVersionService.php
+++ b/classes/Services/PrestashopVersionService.php
@@ -7,6 +7,7 @@
 use RuntimeException;
 use Symfony\Component\Filesystem\Exception\FileNotFoundException;
 use Symfony\Component\Filesystem\Exception\IOException;
+use Symfony\Component\Filesystem\Filesystem;
 
 class PrestashopVersionService
 {
@@ -15,9 +16,15 @@ class PrestashopVersionService
      */
     private $zipAction;
 
-    public function __construct(ZipAction $zipAction)
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
+    public function __construct(ZipAction $zipAction, Filesystem $filesystem)
     {
         $this->zipAction = $zipAction;
+        $this->filesystem = $filesystem;
     }
 
     /**
@@ -29,7 +36,7 @@ public function extractPrestashopVersionFromZip(string $zipFile): string
         $internalZipFileName = 'prestashop.zip';
         $versionFile = 'install/install_version.php';
 
-        if (!file_exists($zipFile)) {
+        if (!$this->filesystem->exists($zipFile)) {
             throw new FileNotFoundException("Unable to find $zipFile file");
         }
         $zip = $this->zipAction->open($zipFile);
@@ -42,7 +49,7 @@ public function extractPrestashopVersionFromZip(string $zipFile): string
         $fileContent = $this->zipAction->extractFileFromArchive($internalZip, $versionFile);
         $internalZip->close();
 
-        @unlink($tempInternalZipPath);
+        $this->filesystem->remove($tempInternalZipPath);
 
         return $this->extractVersionFromContent($fileContent);
     }
diff --git a/classes/Task/Backup/BackupDatabase.php b/classes/Task/Backup/BackupDatabase.php
index 0208f3759..bb87c5c7c 100644
--- a/classes/Task/Backup/BackupDatabase.php
+++ b/classes/Task/Backup/BackupDatabase.php
@@ -118,8 +118,8 @@ public function run(): int
                     !(isset($schema[0]['Table'], $schema[0]['Create Table'])
                         || isset($schema[0]['View'], $schema[0]['Create View']))) {
                     fclose($fp);
-                    if (file_exists($backupfile)) {
-                        unlink($backupfile);
+                    if ($this->container->getFileSystem()->exists($backupfile)) {
+                        $this->container->getFileSystem()->remove($backupfile);
                     }
                     $this->logger->error($this->translator->trans('An error occurred while backing up. Unable to obtain the schema of %s', [$table]));
                     $this->logger->info($this->translator->trans('Error during database backup.'));
@@ -345,7 +345,7 @@ private function getTablesToIgnore(): array
     private function openPartialBackupFile(string $backupfile)
     {
         // Figure out what compression is available and open the file
-        if (file_exists($backupfile)) {
+        if ($this->container->getFileSystem()->exists($backupfile)) {
             throw (new UpgradeException($this->translator->trans('Backup file %s already exists. Operation aborted.', [$backupfile])))->setSeverity(UpgradeException::SEVERITY_ERROR);
         }
 
diff --git a/classes/Task/Backup/BackupFiles.php b/classes/Task/Backup/BackupFiles.php
index befbbb977..2548a8928 100644
--- a/classes/Task/Backup/BackupFiles.php
+++ b/classes/Task/Backup/BackupFiles.php
@@ -71,8 +71,8 @@ public function run(): int
             }
 
             // delete old backup, create new
-            if (file_exists($this->container->getProperty(UpgradeContainer::BACKUP_PATH) . DIRECTORY_SEPARATOR . $backupFilesFilename)) {
-                unlink($this->container->getProperty(UpgradeContainer::BACKUP_PATH) . DIRECTORY_SEPARATOR . $backupFilesFilename);
+            if ($this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::BACKUP_PATH) . DIRECTORY_SEPARATOR . $backupFilesFilename)) {
+                $this->container->getFileSystem()->remove($this->container->getProperty(UpgradeContainer::BACKUP_PATH) . DIRECTORY_SEPARATOR . $backupFilesFilename);
             }
 
             $this->logger->debug($this->translator->trans('Backup files initialized in %s', [$backupFilesFilename]));
diff --git a/classes/Task/Restore/RestoreDatabase.php b/classes/Task/Restore/RestoreDatabase.php
index fb76ea2dc..3883bec1a 100644
--- a/classes/Task/Restore/RestoreDatabase.php
+++ b/classes/Task/Restore/RestoreDatabase.php
@@ -64,9 +64,10 @@ public function run(): int
             _DB_PREFIX_ . 'statssearch',
         ];
         $startTime = time();
+        $queriesToRestoreListPath = $this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST;
 
         // deal with running backup rest if exist
-        if (file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST)) {
+        if ($this->container->getFileSystem()->exists($queriesToRestoreListPath)) {
             $backlog = Backlog::fromContents($this->container->getFileStorage()->load(UpgradeFileNames::QUERIES_TO_RESTORE_LIST));
         }
 
@@ -170,8 +171,8 @@ public function run(): int
             do {
                 // @phpstan-ignore booleanNot.alwaysFalse (Need a refacto of this whole task)
                 if (!$backlog->getRemainingTotal()) {
-                    if (file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST)) {
-                        unlink($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST);
+                    if ($this->container->getFileSystem()->exists($queriesToRestoreListPath)) {
+                        $this->container->getFileSystem()->remove($queriesToRestoreListPath);
                     }
 
                     $restoreDbFilenamesCount = count($state->getRestoreDbFilenames());
@@ -207,7 +208,7 @@ public function run(): int
                     if (!$this->container->getDb()->execute($query, false)) {
                         $this->logger->error($this->translator->trans('Error during database restoration: ') . ' ' . $query . ' - ' . $this->container->getDb()->getMsgError());
                         $this->setErrorFlag();
-                        unlink($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST);
+                        $this->container->getFileSystem()->remove($queriesToRestoreListPath);
 
                         return ExitCode::FAIL;
                     }
@@ -220,8 +221,8 @@ public function run(): int
 
             if ($queries_left > 0) {
                 $this->container->getFileStorage()->save($backlog->dump(), UpgradeFileNames::QUERIES_TO_RESTORE_LIST);
-            } elseif (file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST)) {
-                unlink($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::QUERIES_TO_RESTORE_LIST);
+            } elseif ($this->container->getFileSystem()->exists($queriesToRestoreListPath)) {
+                $this->container->getFileSystem()->remove($queriesToRestoreListPath);
             }
 
             $this->stepDone = false;
@@ -251,7 +252,7 @@ public function init(): void
         $this->container->initPrestaShopAutoloader();
 
         // Loads the parameters.php file on PrestaShop 1.7, needed for accessing the database
-        if (file_exists($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . '/config/bootstrap.php')) {
+        if ($this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . '/config/bootstrap.php')) {
             require_once $this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . '/config/bootstrap.php';
         }
     }
diff --git a/classes/Task/Restore/RestoreFiles.php b/classes/Task/Restore/RestoreFiles.php
index b0446597d..620062411 100644
--- a/classes/Task/Restore/RestoreFiles.php
+++ b/classes/Task/Restore/RestoreFiles.php
@@ -55,8 +55,8 @@ public function run(): int
 
         // loop
         $this->next = TaskName::TASK_RESTORE_FILES;
-        if (!file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST)
-            || !file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST)) {
+        if (!$this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST)
+            || !$this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST)) {
             // cleanup current PS tree
             $fromArchive = $this->container->getZipAction()->listContent($this->container->getProperty(UpgradeContainer::BACKUP_PATH) . DIRECTORY_SEPARATOR . $state->getRestoreFilesFilename());
             foreach ($fromArchive as $k => $v) {
@@ -119,7 +119,7 @@ public function run(): int
 
             if (!empty($toRemoveOnly)) {
                 foreach ($toRemoveOnly as $fileToRemove) {
-                    @unlink($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . $fileToRemove);
+                    $this->container->getFileSystem()->remove($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . $fileToRemove);
                 }
             }
 
diff --git a/classes/Task/Restore/RestoreInitialization.php b/classes/Task/Restore/RestoreInitialization.php
index d59de648b..28c21b71b 100644
--- a/classes/Task/Restore/RestoreInitialization.php
+++ b/classes/Task/Restore/RestoreInitialization.php
@@ -104,11 +104,11 @@ public function run(): int
         $this->next = TaskName::TASK_RESTORE_FILES;
         $this->logger->info($this->translator->trans('Restoring files ...'));
         // remove tmp files related to restoreFiles
-        if (file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST)) {
-            unlink($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST);
+        if ($this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST)) {
+            $this->container->getFileSystem()->remove($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_FROM_ARCHIVE_LIST);
         }
-        if (file_exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST)) {
-            unlink($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST);
+        if ($this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST)) {
+            $this->container->getFileSystem()->remove($this->container->getProperty(UpgradeContainer::WORKSPACE_PATH) . DIRECTORY_SEPARATOR . UpgradeFileNames::FILES_TO_REMOVE_LIST);
         }
 
         $this->container->getAnalytics()->track('Restore Launched', Analytics::WITH_RESTORE_PROPERTIES);
diff --git a/classes/Task/Update/Download.php b/classes/Task/Update/Download.php
index e977922d1..8268cd6ea 100644
--- a/classes/Task/Update/Download.php
+++ b/classes/Task/Update/Download.php
@@ -62,7 +62,7 @@ public function run(): int
 
         $this->logger->debug($this->translator->trans('Downloading from %s', [$upgrader->getOnlineDestinationRelease()->getZipDownloadUrl()]));
         $this->logger->debug($this->translator->trans('File will be saved in %s', [$this->container->getFilePath()]));
-        if (file_exists($this->container->getProperty(UpgradeContainer::DOWNLOAD_PATH))) {
+        if ($this->container->getFileSystem()->exists($this->container->getProperty(UpgradeContainer::DOWNLOAD_PATH))) {
             FilesystemAdapter::deleteDirectory($this->container->getProperty(UpgradeContainer::DOWNLOAD_PATH), false);
             $this->logger->debug($this->translator->trans('Download directory has been emptied'));
         }
diff --git a/classes/Task/Update/Unzip.php b/classes/Task/Update/Unzip.php
index 7784484dd..e809a4b54 100644
--- a/classes/Task/Update/Unzip.php
+++ b/classes/Task/Update/Unzip.php
@@ -35,7 +35,6 @@
 use PrestaShop\Module\AutoUpgrade\Task\TaskType;
 use PrestaShop\Module\AutoUpgrade\UpgradeContainer;
 use PrestaShop\Module\AutoUpgrade\UpgradeTools\FilesystemAdapter;
-use Symfony\Component\Filesystem\Filesystem;
 
 /**
  * extract chosen version into $this->upgradeClass->latestPath directory.
@@ -56,7 +55,7 @@ public function run(): int
             $this->container->getCompletionCalculator()->getBasePercentageOfTask(self::class)
         );
 
-        if (file_exists($destExtract)) {
+        if ($this->container->getFileSystem()->exists($destExtract)) {
             FilesystemAdapter::deleteDirectory($destExtract, false);
             $this->logger->debug($this->translator->trans('"/latest" directory has been emptied'));
         }
@@ -89,9 +88,9 @@ public function run(): int
         // From PrestaShop 1.7, we zip all the files in another package
         // which must be unzipped too
         $newZip = $destExtract . DIRECTORY_SEPARATOR . 'prestashop.zip';
-        if (file_exists($newZip)) {
-            @unlink($destExtract . DIRECTORY_SEPARATOR . '/index.php');
-            @unlink($destExtract . DIRECTORY_SEPARATOR . '/Install_PrestaShop.html');
+        if ($this->container->getFileSystem()->exists($newZip)) {
+            $this->container->getFileSystem()->remove($destExtract . DIRECTORY_SEPARATOR . '/index.php');
+            $this->container->getFileSystem()->remove($destExtract . DIRECTORY_SEPARATOR . '/Install_PrestaShop.html');
 
             $subRes = $this->container->getZipAction()->extract($newZip, $destExtract);
             if (!$subRes) {
@@ -107,7 +106,6 @@ public function run(): int
                 return ExitCode::FAIL;
             }
         } else {
-            $filesystem = new Filesystem();
             $zipSubfolder = $destExtract . '/prestashop/';
             if (!is_dir($zipSubfolder)) {
                 $this->next = TaskName::TASK_ERROR;
@@ -121,7 +119,7 @@ public function run(): int
                 if ($file[0] === '.') {
                     continue;
                 }
-                $filesystem->rename($zipSubfolder . $file, $destExtract . '/' . $file);
+                $this->container->getFileSystem()->rename($zipSubfolder . $file, $destExtract . '/' . $file);
             }
         }
 
@@ -130,7 +128,7 @@ public function run(): int
 
         $this->container->getAnalytics()->track('Backup Launched', Analytics::WITH_BACKUP_PROPERTIES);
 
-        @unlink($newZip);
+        $this->container->getFileSystem()->remove($newZip);
 
         return ExitCode::SUCCESS;
     }
diff --git a/classes/Task/Update/UpdateComplete.php b/classes/Task/Update/UpdateComplete.php
index 90af0c8ef..29652d162 100644
--- a/classes/Task/Update/UpdateComplete.php
+++ b/classes/Task/Update/UpdateComplete.php
@@ -34,7 +34,6 @@
 use PrestaShop\Module\AutoUpgrade\Task\TaskName;
 use PrestaShop\Module\AutoUpgrade\Task\TaskType;
 use PrestaShop\Module\AutoUpgrade\UpgradeContainer;
-use PrestaShop\Module\AutoUpgrade\UpgradeTools\FilesystemAdapter;
 
 /**
  * Ends the upgrade process and displays the success message.
@@ -62,16 +61,30 @@ public function run(): int
 
         $this->next = TaskName::TASK_COMPLETE;
 
-        if ($this->container->getUpdateConfiguration()->isChannelOnline() && file_exists($this->container->getFilePath()) && unlink($this->container->getFilePath())) {
-            $this->logger->debug($this->translator->trans('%s removed', [$this->container->getFilePath()]));
-        } elseif (is_file($this->container->getFilePath())) {
-            $this->logger->debug($this->translator->trans('Please remove %s by FTP', [$this->container->getFilePath()]));
+        $filesystem = $this->container->getFileSystem();
+        $filePath = $this->container->getFilePath();
+        $latestPath = $this->container->getProperty(UpgradeContainer::LATEST_PATH);
+
+        if ($filesystem->exists($filePath)) {
+            if ($this->container->getUpdateConfiguration()->isChannelOnline()) {
+                try {
+                    $filesystem->remove($filePath);
+                    $this->logger->debug($this->translator->trans('%s removed', [$filePath]));
+                } catch (Exception $e) {
+                    $this->logger->debug($this->translator->trans('Please remove %s by FTP', [$filePath]));
+                }
+            } else {
+                $this->logger->debug($this->translator->trans('Please remove %s by FTP', [$filePath]));
+            }
         }
 
-        if (file_exists($this->container->getProperty(UpgradeContainer::LATEST_PATH)) && FilesystemAdapter::deleteDirectory($this->container->getProperty(UpgradeContainer::LATEST_PATH))) {
-            $this->logger->debug($this->translator->trans('%s removed', [$this->container->getProperty(UpgradeContainer::LATEST_PATH)]));
-        } elseif (is_dir($this->container->getProperty(UpgradeContainer::LATEST_PATH))) {
-            $this->logger->debug($this->translator->trans('Please remove %s by FTP', [$this->container->getProperty(UpgradeContainer::LATEST_PATH)]));
+        if ($filesystem->exists($latestPath)) {
+            try {
+                $filesystem->remove($latestPath);
+                $this->logger->debug($this->translator->trans('%s removed', [$latestPath]));
+            } catch (Exception $e) {
+                $this->logger->debug($this->translator->trans('Please remove %s by FTP', [$latestPath]));
+            }
         }
 
         // removing temporary files
diff --git a/classes/Task/Update/UpdateFiles.php b/classes/Task/Update/UpdateFiles.php
index 6a5eb7cbf..d827f1ef2 100644
--- a/classes/Task/Update/UpdateFiles.php
+++ b/classes/Task/Update/UpdateFiles.php
@@ -126,18 +126,19 @@ public function upgradeThisFile($orig): bool
         }
         if (is_dir($orig)) {
             // if $dest is not a directory (that can happen), just remove that file
-            if (!is_dir($dest) && file_exists($dest)) {
-                unlink($dest);
+            if (!is_dir($dest) && $this->container->getFileSystem()->exists($dest)) {
+                $this->container->getFileSystem()->remove($dest);
                 $this->logger->debug($this->translator->trans('File %1$s has been deleted.', [$file]));
             }
-            if (!file_exists($dest)) {
-                if (mkdir($dest)) {
+            if (!$this->container->getFileSystem()->exists($dest)) {
+                try {
+                    $this->container->getFileSystem()->mkdir($dest);
                     $this->logger->debug($this->translator->trans('Directory %1$s created.', [$file]));
 
                     return true;
-                } else {
+                } catch (Exception $e) {
                     $this->next = TaskName::TASK_ERROR;
-                    $this->logger->error($this->translator->trans('Error while creating directory %s.', [$dest]));
+                    $this->logger->error($this->translator->trans('Error while creating directory %s: %s.', [$dest, $e->getMessage()]));
 
                     return false;
                 }
@@ -148,7 +149,7 @@ public function upgradeThisFile($orig): bool
             }
         } elseif (is_file($orig)) {
             $translationAdapter = $this->container->getTranslationAdapter();
-            if ($translationAdapter->isTranslationFile($file) && file_exists($dest)) {
+            if ($translationAdapter->isTranslationFile($file) && $this->container->getFileSystem()->exists($dest)) {
                 $type_trad = $translationAdapter->getTranslationFileType($file);
                 if ($translationAdapter->mergeTranslationFile($orig, $dest, $type_trad)) {
                     $this->logger->info($this->translator->trans('The translation files have been merged into file %s.', [$dest]));
@@ -163,19 +164,20 @@ public function upgradeThisFile($orig): bool
 
             // upgrade exception were above. This part now process all files that have to be upgraded (means to modify or to remove)
             // delete before updating (and this will also remove deprecated files)
-            if (copy($orig, $dest)) {
+            try {
+                $this->container->getFileSystem()->copy($orig, $dest);
                 $this->logger->debug($this->translator->trans('Copied %1$s.', [$file]));
 
                 return true;
-            } else {
+            } catch (Exception $e) {
                 $this->next = TaskName::TASK_ERROR;
-                $this->logger->error($this->translator->trans('Error while copying file %s', [$file]));
+                $this->logger->error($this->translator->trans('Error while copying file %s: %s', [$file, $e->getMessage()]));
 
                 return false;
             }
         } elseif (is_file($dest)) {
-            if (file_exists($dest)) {
-                unlink($dest);
+            if ($this->container->getFileSystem()->exists($dest)) {
+                $this->container->getFileSystem()->remove($dest);
             }
             $this->logger->debug(sprintf('Removed file %1$s.', $file));
 
@@ -214,15 +216,15 @@ protected function warmUp(): int
 
         // Replace the name of the admin folder inside the release to match our admin folder name
         $admin_dir = str_replace($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH) . DIRECTORY_SEPARATOR, '', $this->container->getProperty(UpgradeContainer::PS_ADMIN_PATH));
-        if (file_exists($newReleasePath . DIRECTORY_SEPARATOR . 'admin')) {
-            rename($newReleasePath . DIRECTORY_SEPARATOR . 'admin', $newReleasePath . DIRECTORY_SEPARATOR . $admin_dir);
-        } elseif (file_exists($newReleasePath . DIRECTORY_SEPARATOR . 'admin-dev')) {
-            rename($newReleasePath . DIRECTORY_SEPARATOR . 'admin-dev', $newReleasePath . DIRECTORY_SEPARATOR . $admin_dir);
+        if ($this->container->getFileSystem()->exists($newReleasePath . DIRECTORY_SEPARATOR . 'admin')) {
+            $this->container->getFileSystem()->rename($newReleasePath . DIRECTORY_SEPARATOR . 'admin', $newReleasePath . DIRECTORY_SEPARATOR . $admin_dir);
+        } elseif ($this->container->getFileSystem()->exists($newReleasePath . DIRECTORY_SEPARATOR . 'admin-dev')) {
+            $this->container->getFileSystem()->rename($newReleasePath . DIRECTORY_SEPARATOR . 'admin-dev', $newReleasePath . DIRECTORY_SEPARATOR . $admin_dir);
         }
 
         // Rename develop installer directory, it would be ignored anyway because it's present in getFilesToIgnoreOnUpgrade()
-        if (file_exists($newReleasePath . DIRECTORY_SEPARATOR . 'install-dev')) {
-            rename($newReleasePath . DIRECTORY_SEPARATOR . 'install-dev', $newReleasePath . DIRECTORY_SEPARATOR . 'install');
+        if ($this->container->getFileSystem()->exists($newReleasePath . DIRECTORY_SEPARATOR . 'install-dev')) {
+            $this->container->getFileSystem()->rename($newReleasePath . DIRECTORY_SEPARATOR . 'install-dev', $newReleasePath . DIRECTORY_SEPARATOR . 'install');
         }
 
         $destinationVersion = $state->getDestinationVersion();
diff --git a/classes/UpgradeContainer.php b/classes/UpgradeContainer.php
index e8d9dd62d..d6d1b982c 100644
--- a/classes/UpgradeContainer.php
+++ b/classes/UpgradeContainer.php
@@ -69,6 +69,7 @@
 use PrestaShop\Module\AutoUpgrade\Xml\ChecksumCompare;
 use PrestaShop\Module\AutoUpgrade\Xml\FileLoader;
 use Symfony\Component\Dotenv\Dotenv;
+use Symfony\Component\Filesystem\Filesystem;
 use Twig\Environment;
 use Twig\Error\LoaderError;
 use Twig\Loader\FilesystemLoader;
@@ -279,6 +280,21 @@ class UpgradeContainer
      */
     private $distributionApiService;
 
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
+    /**
+     * @var Translator
+     */
+    private $translator;
+
+    /**
+     * @var Translation
+     */
+    private $translation;
+
     /**
      * AdminSelfUpgrade::$autoupgradePath
      * Ex.: /var/www/html/PrestaShop/admin-dev/autoupgrade.
@@ -426,7 +442,7 @@ public function getComposerService(): ComposerService
         if (null !== $this->composerService) {
             return $this->composerService;
         }
-        $this->composerService = new ComposerService();
+        $this->composerService = new ComposerService($this->getFileSystem());
 
         return $this->composerService;
     }
@@ -506,6 +522,8 @@ public function getUpgrader(): Upgrader
         $upgrader = new Upgrader(
             $this->getPhpVersionResolverService(),
             $this->getUpdateConfiguration(),
+            $this->getFileSystem(),
+            $this->getFileLoader(),
             $this->getProperty(self::PS_VERSION)
         );
 
@@ -546,7 +564,7 @@ public function getFileLoader(): FileLoader
             return $this->fileLoader;
         }
 
-        $this->fileLoader = new FileLoader();
+        $this->fileLoader = new FileLoader($this->getFileSystem());
 
         return $this->fileLoader;
     }
@@ -708,21 +726,32 @@ public function getStateFromTaskType($taskType): AbstractState
      */
     public function getTranslationAdapter(): Translation
     {
-        return new Translation($this->getTranslator(), $this->getLogger(), $this->getUpdateState()->getInstalledLanguagesIso());
+        if (null === $this->translation) {
+            $this->translation = new Translation($this->getTranslator(), $this->getFileSystem(), $this->getLogger(), $this->getUpdateState()->getInstalledLanguagesIso());
+        }
+
+        return $this->translation;
     }
 
+    /**
+     * @throws Exception
+     */
     public function getTranslator(): Translator
     {
-        $locale = null;
-        // @phpstan-ignore booleanAnd.rightAlwaysTrue (If PrestaShop core is not instantiated properly, do not try to translate)
-        if (method_exists('\Context', 'getContext') && \Context::getContext()->language) {
-            $locale = \Context::getContext()->language->iso_code;
+        if (null === $this->translator) {
+            $locale = null;
+            // @phpstan-ignore booleanAnd.rightAlwaysTrue (If PrestaShop core is not instantiated properly, do not try to translate)
+            if (method_exists('\Context', 'getContext') && \Context::getContext()->language) {
+                $locale = \Context::getContext()->language->iso_code;
+            }
+
+            $this->translator = new Translator(
+                $this->getProperty(self::PS_ROOT_PATH) . DIRECTORY_SEPARATOR . 'modules' . DIRECTORY_SEPARATOR . 'autoupgrade' . DIRECTORY_SEPARATOR . 'translations' . DIRECTORY_SEPARATOR,
+                $locale
+            );
         }
 
-        return new Translator(
-            $this->getProperty(self::PS_ROOT_PATH) . DIRECTORY_SEPARATOR . 'modules' . DIRECTORY_SEPARATOR . 'autoupgrade' . DIRECTORY_SEPARATOR . 'translations' . DIRECTORY_SEPARATOR,
-            $locale
-        );
+        return $this->translator;
     }
 
     /**
@@ -916,6 +945,7 @@ public function getZipAction(): ZipAction
         }
 
         $this->zipAction = new ZipAction(
+            $this->getFileSystem(),
             $this->getTranslator(),
             $this->getLogger(),
             $this->getUpdateConfiguration(),
@@ -989,7 +1019,16 @@ public function getPrestashopVersionService(): PrestashopVersionService
             return $this->prestashopVersionService;
         }
 
-        return $this->prestashopVersionService = new PrestashopVersionService($this->getZipAction());
+        return $this->prestashopVersionService = new PrestashopVersionService($this->getZipAction(), $this->getFileSystem());
+    }
+
+    public function getFileSystem(): Filesystem
+    {
+        if (null === $this->filesystem) {
+            $this->filesystem = new Filesystem();
+        }
+
+        return $this->filesystem;
     }
 
     /**
diff --git a/classes/UpgradeTools/CacheCleaner.php b/classes/UpgradeTools/CacheCleaner.php
index f2d35cb73..8b1060a46 100644
--- a/classes/UpgradeTools/CacheCleaner.php
+++ b/classes/UpgradeTools/CacheCleaner.php
@@ -73,7 +73,7 @@ public function cleanFolders(): void
         }
 
         foreach ($dirsToClean as $dir) {
-            if (!file_exists($dir)) {
+            if (!$this->container->getFileSystem()->exists($dir)) {
                 $this->logger->debug($this->container->getTranslator()->trans('[SKIP] directory "%s" does not exist and cannot be emptied.', [str_replace($this->container->getProperty(UpgradeContainer::PS_ROOT_PATH), '', $dir)]));
                 continue;
             }
@@ -81,12 +81,7 @@ public function cleanFolders(): void
                 if ($file[0] === '.' || $file === 'index.php') {
                     continue;
                 }
-                // ToDo: Use Filesystem instead ?
-                if (is_file($dir . $file)) {
-                    unlink($dir . $file);
-                } elseif (is_dir($dir . $file . DIRECTORY_SEPARATOR)) {
-                    FilesystemAdapter::deleteDirectory($dir . $file . DIRECTORY_SEPARATOR);
-                }
+                $this->container->getFileSystem()->remove($dir . $file);
                 $this->logger->debug($this->container->getTranslator()->trans('[CLEANING CACHE] File %s removed', [$file]));
             }
         }
diff --git a/classes/UpgradeTools/CoreUpgrader/CoreUpgrader.php b/classes/UpgradeTools/CoreUpgrader/CoreUpgrader.php
index 2c9130e6c..15fe0d20e 100644
--- a/classes/UpgradeTools/CoreUpgrader/CoreUpgrader.php
+++ b/classes/UpgradeTools/CoreUpgrader/CoreUpgrader.php
@@ -66,11 +66,6 @@ abstract class CoreUpgrader
      */
     protected $logger;
 
-    /**
-     * @var Filesystem
-     */
-    private $filesystem;
-
     /**
      * Version PrestaShop is upgraded to.
      *
@@ -96,11 +91,10 @@ public function __construct(UpgradeContainer $container, LoggerInterface $logger
     {
         $this->container = $container;
         $this->logger = $logger;
-        $this->filesystem = new Filesystem();
         $this->destinationUpgradeVersion = $this->container->getUpdateState()->getDestinationVersion();
         $this->pathToInstallFolder = realpath($this->container->getProperty(UpgradeContainer::LATEST_PATH) . DIRECTORY_SEPARATOR . 'install');
         $this->pathToUpgradeScripts = dirname(__DIR__, 3) . '/upgrade/';
-        if (file_exists($this->pathToInstallFolder . DIRECTORY_SEPARATOR . 'autoload.php')) {
+        if ($this->container->getFileSystem()->exists($this->pathToInstallFolder . DIRECTORY_SEPARATOR . 'autoload.php')) {
             require_once $this->pathToInstallFolder . DIRECTORY_SEPARATOR . 'autoload.php';
         }
         $this->db = \Db::getInstance();
@@ -271,7 +265,7 @@ public function disableCustomModules(): void
      */
     protected function getUpgradeSqlFilesListToApply(string $upgrade_dir_sql, string $oldversion): array
     {
-        if (!file_exists($upgrade_dir_sql)) {
+        if (!$this->container->getFileSystem()->exists($upgrade_dir_sql)) {
             throw new UpgradeException($this->container->getTranslator()->trans('Unable to find upgrade directory in the installation path.'));
         }
 
@@ -424,7 +418,7 @@ protected function runPhpQuery(string $upgrade_file, string $query): void
             $func_name = str_replace($stringParameters, '', $php[0]);
             $pathToPhpDirectory = $this->pathToUpgradeScripts . 'php/';
 
-            if (!file_exists($pathToPhpDirectory . strtolower($func_name) . '.php')) {
+            if (!$this->container->getFileSystem()->exists($pathToPhpDirectory . strtolower($func_name) . '.php')) {
                 $this->logMissingFileError($pathToPhpDirectory, $func_name, $query);
 
                 return;
@@ -566,7 +560,7 @@ protected function generateHtaccess(): void
     {
         $this->loadEntityInterface();
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Tools.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Tools.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Tools.php';
         }
 
@@ -583,105 +577,105 @@ protected function generateHtaccess(): void
             define('_PS_USE_SQL_SLAVE_', false);
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/ObjectModel.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/ObjectModel.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/ObjectModel.php';
         }
         if (!class_exists('ObjectModel', false) && class_exists('ObjectModelCore')) {
             eval('abstract class ObjectModel extends ObjectModelCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Configuration.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Configuration.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Configuration.php';
         }
         if (!class_exists('Configuration', false) && class_exists('ConfigurationCore')) {
             eval('class Configuration extends ConfigurationCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/cache/Cache.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/cache/Cache.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/cache/Cache.php';
         }
         if (!class_exists('Cache', false) && class_exists('CacheCore')) {
             eval('abstract class Cache extends CacheCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/PrestaShopCollection.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/PrestaShopCollection.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/PrestaShopCollection.php';
         }
         if (!class_exists('PrestaShopCollection', false) && class_exists('PrestaShopCollectionCore')) {
             eval('class PrestaShopCollection extends PrestaShopCollectionCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/shop/ShopUrl.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/shop/ShopUrl.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/shop/ShopUrl.php';
         }
         if (!class_exists('ShopUrl', false) && class_exists('ShopUrlCore')) {
             eval('class ShopUrl extends ShopUrlCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/shop/Shop.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/shop/Shop.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/shop/Shop.php';
         }
         if (!class_exists('Shop', false) && class_exists('ShopCore')) {
             eval('class Shop extends ShopCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Translate.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Translate.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Translate.php';
         }
         if (!class_exists('Translate', false) && class_exists('TranslateCore')) {
             eval('class Translate extends TranslateCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/module/Module.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/module/Module.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/module/Module.php';
         }
         if (!class_exists('Module', false) && class_exists('ModuleCore')) {
             eval('class Module extends ModuleCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Validate.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Validate.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Validate.php';
         }
         if (!class_exists('Validate', false) && class_exists('ValidateCore')) {
             eval('class Validate extends ValidateCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Language.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Language.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Language.php';
         }
         if (!class_exists('Language', false) && class_exists('LanguageCore')) {
             eval('class Language extends LanguageCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Tab.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Tab.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Tab.php';
         }
         if (!class_exists('Tab', false) && class_exists('TabCore')) {
             eval('class Tab extends TabCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Dispatcher.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Dispatcher.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Dispatcher.php';
         }
         if (!class_exists('Dispatcher', false) && class_exists('DispatcherCore')) {
             eval('class Dispatcher extends DispatcherCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Hook.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Hook.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Hook.php';
         }
         if (!class_exists('Hook', false) && class_exists('HookCore')) {
             eval('class Hook extends HookCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Context.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Context.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Context.php';
         }
         if (!class_exists('Context', false) && class_exists('ContextCore')) {
             eval('class Context extends ContextCore{}');
         }
 
-        if (file_exists(_PS_ROOT_DIR_ . '/classes/Group.php')) {
+        if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . '/classes/Group.php')) {
             require_once _PS_ROOT_DIR_ . '/classes/Group.php';
         }
         if (!class_exists('Group', false) && class_exists('GroupCore')) {
@@ -718,8 +712,8 @@ protected function cleanXmlFiles(): void
             _PS_ROOT_DIR_ . '/var/cache/prod/class_index.php',
         ];
         foreach ($files as $path) {
-            if (file_exists($path)) {
-                unlink($path);
+            if ($this->container->getFileSystem()->exists($path)) {
+                $this->container->getFileSystem()->remove($path);
             }
         }
     }
@@ -834,7 +828,7 @@ private function removeExistingRTLFiles(array $themes): void
     {
         foreach ($themes as $theme) {
             $files = $this->container->getFilesystemAdapter()->listSampleFiles($theme['directory'], '_rtl.css');
-            $this->filesystem->remove($files);
+            $this->container->getFileSystem()->remove($files);
         }
     }
 
diff --git a/classes/UpgradeTools/CoreUpgrader/CoreUpgrader80.php b/classes/UpgradeTools/CoreUpgrader/CoreUpgrader80.php
index a65413338..fdd87e887 100644
--- a/classes/UpgradeTools/CoreUpgrader/CoreUpgrader80.php
+++ b/classes/UpgradeTools/CoreUpgrader/CoreUpgrader80.php
@@ -55,8 +55,8 @@ protected function forceRemovingFiles(): void
         ];
 
         foreach ($filesToForceRemove as $file) {
-            if (file_exists(_PS_ROOT_DIR_ . $file)) {
-                unlink(_PS_ROOT_DIR_ . $file);
+            if ($this->container->getFileSystem()->exists(_PS_ROOT_DIR_ . $file)) {
+                $this->container->getFileSystem()->remove(_PS_ROOT_DIR_ . $file);
             }
         }
     }
diff --git a/classes/UpgradeTools/Translation.php b/classes/UpgradeTools/Translation.php
index 559a52cbd..ecbfb0554 100644
--- a/classes/UpgradeTools/Translation.php
+++ b/classes/UpgradeTools/Translation.php
@@ -29,6 +29,7 @@
 
 use PrestaShop\Module\AutoUpgrade\Log\LoggerInterface;
 use PrestaShop\Module\AutoUpgrade\Tools14;
+use Symfony\Component\Filesystem\Filesystem;
 
 class Translation
 {
@@ -38,14 +39,17 @@ class Translation
     private $logger;
     /** @var Translator */
     private $translator;
+    /** @var Filesystem */
+    private $filesystem;
 
     /**
      * @param string[] $installedLanguagesIso
      */
-    public function __construct(Translator $translator, LoggerInterface $logger, array $installedLanguagesIso)
+    public function __construct(Translator $translator, Filesystem $filesystem, LoggerInterface $logger, array $installedLanguagesIso)
     {
         $this->logger = $logger;
         $this->translator = $translator;
+        $this->filesystem = $filesystem;
         $this->installedLanguagesIso = $installedLanguagesIso;
     }
 
@@ -149,7 +153,7 @@ public function mergeTranslationFile(string $orig, string $dest, string $type):
             // in that particular case : file exists, but variable missing, we need to delete that file
             // (if not, this invalid file will be copied in /translations during upgradeDb process)
             if ('module' == $type) {
-                unlink($dest);
+                $this->filesystem->remove($dest);
             }
             $this->logger->warning($this->translator->trans(
                 '%variablename% variable missing in file %filename%. File %filename% deleted and merge skipped.',
diff --git a/classes/Upgrader.php b/classes/Upgrader.php
index b349cd5d6..5a9f2a399 100755
--- a/classes/Upgrader.php
+++ b/classes/Upgrader.php
@@ -48,15 +48,23 @@ class Upgrader
     protected $phpVersionResolverService;
     /** @var UpgradeConfiguration */
     protected $updateConfiguration;
+    /** @var Filesystem */
+    protected $filesystem;
+    /** @var FileLoader */
+    protected $fileLoader;
 
     public function __construct(
         PhpVersionResolverService $phpRequirementService,
         UpgradeConfiguration $updateConfiguration,
+        Filesystem $filesystem,
+        FileLoader $fileLoader,
         string $currentPsVersion
     ) {
         $this->currentPsVersion = $currentPsVersion;
         $this->phpVersionResolverService = $phpRequirementService;
         $this->updateConfiguration = $updateConfiguration;
+        $this->filesystem = $filesystem;
+        $this->fileLoader = $fileLoader;
     }
 
     /**
@@ -79,8 +87,7 @@ public function downloadLast(string $dest, string $filename): bool
         $destPath = realpath($dest) . DIRECTORY_SEPARATOR . $filename;
 
         try {
-            $filesystem = new Filesystem();
-            $filesystem->copy($this->onlineDestinationRelease->getZipDownloadUrl(), $destPath);
+            $this->filesystem->copy($this->onlineDestinationRelease->getZipDownloadUrl(), $destPath);
         } catch (IOException $e) {
             // If the Symfony filesystem failed, we can try with
             // the legacy method which uses curl.
@@ -150,9 +157,7 @@ public function getDestinationVersion(): ?string
      */
     public function getLatestModuleVersion(): string
     {
-        $fileLoader = new FileLoader();
-
-        $channelFile = $fileLoader->getXmlChannel();
+        $channelFile = $this->fileLoader->getXmlChannel();
 
         if (empty($channelFile)) {
             throw new UpgradeException('Unable to retrieve channel.xml.');
@@ -164,12 +169,11 @@ public function getLatestModuleVersion(): string
     /**
      * delete the file /config/xml/$version.xml if exists.
      */
-    public function clearXmlMd5File(string $version): bool
+    public function clearXmlMd5File(string $version): void
     {
-        if (file_exists(_PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml')) {
-            return unlink(_PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml');
+        $fileToRemove = _PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml';
+        if ($this->filesystem->exists($fileToRemove)) {
+            $this->filesystem->remove($fileToRemove);
         }
-
-        return true;
     }
 }
diff --git a/classes/Xml/FileLoader.php b/classes/Xml/FileLoader.php
index d95894fe0..299e75967 100644
--- a/classes/Xml/FileLoader.php
+++ b/classes/Xml/FileLoader.php
@@ -31,6 +31,7 @@
 use PrestaShop\Module\AutoUpgrade\Tools14;
 use PrestaShop\Module\AutoUpgrade\Upgrader;
 use SimpleXMLElement;
+use Symfony\Component\Filesystem\Filesystem;
 
 class FileLoader
 {
@@ -39,6 +40,13 @@ class FileLoader
 
     /** @var array<string, string> */
     private $version_md5 = [];
+    /** @var Filesystem */
+    private $filesystem;
+
+    public function __construct(Filesystem $filesystem)
+    {
+        $this->filesystem = $filesystem;
+    }
 
     /**
      * @return SimpleXMLElement|false
@@ -48,17 +56,17 @@ public function getXmlFile(string $xml_localfile, string $xml_remotefile, bool $
         // @TODO : this has to be moved in autoupgrade.php > install method
         if (!is_dir(_PS_ROOT_DIR_ . '/config/xml')) {
             if (is_file(_PS_ROOT_DIR_ . '/config/xml')) {
-                unlink(_PS_ROOT_DIR_ . '/config/xml');
+                $this->filesystem->remove(_PS_ROOT_DIR_ . '/config/xml');
             }
-            mkdir(_PS_ROOT_DIR_ . '/config/xml', 0777);
+            $this->filesystem->mkdir(_PS_ROOT_DIR_ . '/config/xml');
         }
         // End TODO
 
-        if ($refresh || !file_exists($xml_localfile) || @filemtime($xml_localfile) < (time() - (3600 * Upgrader::DEFAULT_CHECK_VERSION_DELAY_HOURS))) {
+        if ($refresh || !$this->filesystem->exists($xml_localfile) || @filemtime($xml_localfile) < (time() - (3600 * Upgrader::DEFAULT_CHECK_VERSION_DELAY_HOURS))) {
             $xml_string = Tools14::file_get_contents($xml_remotefile, false, stream_context_create(['http' => ['timeout' => 10]]));
             $xml = @simplexml_load_string($xml_string);
             if ($xml !== false) {
-                file_put_contents($xml_localfile, $xml_string);
+                $this->filesystem->appendToFile($xml_localfile, $xml_string);
             }
         } else {
             $xml = @simplexml_load_file($xml_localfile);
diff --git a/classes/ZipAction.php b/classes/ZipAction.php
index 1def18f40..0263006a9 100644
--- a/classes/ZipAction.php
+++ b/classes/ZipAction.php
@@ -32,6 +32,7 @@
 use PrestaShop\Module\AutoUpgrade\Parameters\UpgradeConfiguration;
 use PrestaShop\Module\AutoUpgrade\Progress\Backlog;
 use PrestaShop\Module\AutoUpgrade\UpgradeTools\Translator;
+use Symfony\Component\Filesystem\Exception\IOException;
 use Symfony\Component\Filesystem\Filesystem;
 use ZipArchive;
 
@@ -56,13 +57,19 @@ class ZipAction
      */
     private $translator;
 
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
     /**
      * @var string Path to the shop, in order to remove it from the archived file paths
      */
     private $prodRootDir;
 
-    public function __construct(Translator $translator, LoggerInterface $logger, UpgradeConfiguration $updateConfiguration, string $prodRootDir)
+    public function __construct(Filesystem $filesystem, Translator $translator, LoggerInterface $logger, UpgradeConfiguration $updateConfiguration, string $prodRootDir)
     {
+        $this->filesystem = $filesystem;
         $this->translator = $translator;
         $this->logger = $logger;
         $this->prodRootDir = $prodRootDir;
@@ -94,7 +101,7 @@ public function compress(Backlog $backlog, string $toFile): bool
                 $error = $zip->getStatusString();
                 // if an error occur, it's more safe to delete the corrupted backup
                 $zip->close();
-                (new Filesystem())->remove($toFile);
+                $this->filesystem->remove($toFile);
                 $this->logger->error($this->translator->trans(
                     'Unable to add %filename% to archive %archive%: %error%',
                     [
@@ -141,20 +148,25 @@ public function compress(Backlog $backlog, string $toFile): bool
      */
     public function extract(string $from_file, string $to_dir): bool
     {
-        if (!is_file($from_file)) {
+        if (!$this->filesystem->exists($from_file)) {
             $this->logger->error($this->translator->trans('%s is not a file', [$from_file]));
 
             return false;
         }
 
-        if (!file_exists($to_dir)) {
-            // ToDo: Use Filesystem from Symfony
-            if (!mkdir($to_dir)) {
+        if (!$this->filesystem->exists($to_dir)) {
+            try {
+                $this->filesystem->mkdir($to_dir, 0775);
+                if (!$this->filesystem->exists($to_dir)) {
+                    $this->logger->error($this->translator->trans('Unable to create directory %s.', [$to_dir]));
+
+                    return false;
+                }
+            } catch (IOException $exception) {
                 $this->logger->error($this->translator->trans('Unable to create directory %s.', [$to_dir]));
 
                 return false;
             }
-            chmod($to_dir, 0775);
         }
 
         try {
@@ -197,7 +209,7 @@ public function extract(string $from_file, string $to_dir): bool
      */
     public function listContent(string $zipFile): array
     {
-        if (!file_exists($zipFile)) {
+        if (!$this->filesystem->exists($zipFile)) {
             return [];
         }
 
diff --git a/tests/unit/Services/PrestashopVersionServiceTest.php b/tests/unit/Services/PrestashopVersionServiceTest.php
index 844b67e6d..ecf09f5f6 100644
--- a/tests/unit/Services/PrestashopVersionServiceTest.php
+++ b/tests/unit/Services/PrestashopVersionServiceTest.php
@@ -4,6 +4,7 @@
 use PrestaShop\Module\AutoUpgrade\Services\PrestashopVersionService;
 use PrestaShop\Module\AutoUpgrade\UpgradeContainer;
 use Symfony\Component\Filesystem\Exception\FileNotFoundException;
+use Symfony\Component\Filesystem\Filesystem;
 
 class PrestashopVersionServiceTest extends TestCase
 {
@@ -18,7 +19,7 @@ protected function setUp(): void
 
         $this->fixturePath = __DIR__ . '/../../fixtures/localChannel/';
 
-        $this->versionService = new PrestashopVersionService($this->container->getZipAction());
+        $this->versionService = new PrestashopVersionService($this->container->getZipAction(), new Filesystem());
     }
 
     public function testExtractPrestashopVersionFromZipFileNotFound(): void
diff --git a/tests/unit/UpgradeTools/Module/Source/Provider/ComposerSourceProviderTest.php b/tests/unit/UpgradeTools/Module/Source/Provider/ComposerSourceProviderTest.php
index da353c6a9..0defab438 100644
--- a/tests/unit/UpgradeTools/Module/Source/Provider/ComposerSourceProviderTest.php
+++ b/tests/unit/UpgradeTools/Module/Source/Provider/ComposerSourceProviderTest.php
@@ -29,6 +29,7 @@
 use PrestaShop\Module\AutoUpgrade\Services\ComposerService;
 use PrestaShop\Module\AutoUpgrade\UpgradeTools\Module\Source\ModuleSource;
 use PrestaShop\Module\AutoUpgrade\UpgradeTools\Module\Source\Provider\ComposerSourceProvider;
+use Symfony\Component\Filesystem\Filesystem;
 
 class ComposerSourceProviderTest extends TestCase
 {
@@ -37,7 +38,7 @@ public function testCacheGenerationWithData()
         $prestashopContents = realpath(__DIR__ . '/../../../../../fixtures/prestashop-release');
         $fileConfigurationStorageMock = $this->createMock(FileStorage::class);
 
-        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(), $fileConfigurationStorageMock);
+        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(new Filesystem()), $fileConfigurationStorageMock);
 
         $fileConfigurationStorageMock->expects($this->once())->method('exists');
         $fileConfigurationStorageMock->expects($this->once())->method('save');
@@ -58,7 +59,7 @@ public function testCacheGenerationWithNoData()
         $prestashopContents = realpath(__DIR__ . '/../../../../../../');
         $fileConfigurationStorageMock = $this->createMock(FileStorage::class);
 
-        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(), $fileConfigurationStorageMock);
+        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(new Filesystem()), $fileConfigurationStorageMock);
 
         $fileConfigurationStorageMock->expects($this->once())->method('exists');
         $fileConfigurationStorageMock->expects($this->once())->method('save');
@@ -75,7 +76,7 @@ public function testCacheLoading()
         $fileConfigurationStorageMock->method('exists')->willReturn(true);
         $fileConfigurationStorageMock->method('load')->willReturn([]);
 
-        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(), $fileConfigurationStorageMock);
+        $sourceProvider = new ComposerSourceProvider($prestashopContents, new ComposerService(new Filesystem()), $fileConfigurationStorageMock);
 
         $fileConfigurationStorageMock->expects($this->once())->method('exists');
         $fileConfigurationStorageMock->expects($this->once())->method('load');