diff --git a/composer.json b/composer.json
index 2211780..7056788 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
 	],
 	"require" : {
 		"php" : ">=7.2",
-		"league/flysystem-aws-s3-v3": "1.0.25",
+		"league/flysystem-aws-s3-v3": "^3.0.0",
 		"aws/aws-sdk-php": "^3.0.0"
 	},
     "suggest": {
diff --git a/src/AwsFlyWrapper.php b/src/AwsFlyWrapper.php
index a597a2d..0b0c72e 100644
--- a/src/AwsFlyWrapper.php
+++ b/src/AwsFlyWrapper.php
@@ -19,18 +19,18 @@
 
 namespace oat\awsTools;
 
+use League\Flysystem\AwsS3V3\AwsS3V3Adapter;
+use League\Flysystem\FilesystemAdapter;
+use League\Flysystem\Local\LocalFilesystemAdapter;
 use oat\oatbox\service\ConfigurableService;
-use League\Flysystem\AdapterInterface;
 use oat\oatbox\filesystem\utils\FlyWrapperTrait;
-use League\Flysystem\AwsS3v3\AwsS3Adapter;
 use oat\flysystem\Adapter\LocalCacheAdapter;
-use League\Flysystem\Adapter\Local;
 use oat\oatbox\log\LoggerAwareTrait;
 /**
  * 
  * @author Joel Bout
  */
-class AwsFlyWrapper extends ConfigurableService implements AdapterInterface
+class AwsFlyWrapper extends ConfigurableService implements FilesystemAdapter
 {
     use FlyWrapperTrait;
     use LoggerAwareTrait;
@@ -62,10 +62,18 @@ public function getClient()
     public function getAdapter()
     {
         if (is_null($this->adapter)) {
-            $adapter = new AwsS3Adapter($this->getClient(),$this->getOption(self::OPTION_BUCKET),$this->getOption(self::OPTION_PREFIX));
+            $adapter = new AwsS3V3Adapter(
+                $this->getClient(),
+                $this->getOption(self::OPTION_BUCKET),
+                $this->getOption(self::OPTION_PREFIX),
+                new BucketOwnerVisibilityConverter(),
+                null,
+                [],
+                false // keeps the streams seekable
+            );
             if ($this->hasOption(self::OPTION_CACHE)) {
                 if (class_exists(LocalCacheAdapter::class)) {
-                    $cached = new Local($this->getOption(self::OPTION_CACHE));
+                    $cached = new LocalFilesystemAdapter($this->getOption(self::OPTION_CACHE));
                     $adapter = new LocalCacheAdapter($adapter, $cached, true);
 
                     // FlySystem::listContents caching.
diff --git a/src/BucketOwnerVisibilityConverter.php b/src/BucketOwnerVisibilityConverter.php
new file mode 100644
index 0000000..4a61a9f
--- /dev/null
+++ b/src/BucketOwnerVisibilityConverter.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace oat\awsTools;
+
+use League\Flysystem\AwsS3V3\VisibilityConverter;
+use League\Flysystem\Visibility;
+
+class BucketOwnerVisibilityConverter implements VisibilityConverter
+{
+    private const PUBLIC_GRANTEE_URI = 'http://acs.amazonaws.com/groups/global/AllUsers';
+    private const PUBLIC_GRANTS_PERMISSION = 'READ';
+    private const BUCKET_OWNER_ACL = 'bucket-owner-full-control';
+
+    public function __construct(private string $defaultForDirectories = Visibility::PUBLIC)
+    {
+    }
+
+    public function visibilityToAcl(string $visibility): string
+    {
+        return self::BUCKET_OWNER_ACL;
+    }
+
+    public function aclToVisibility(array $grants): string
+    {
+        foreach ($grants as $grant) {
+            $granteeUri = $grant['Grantee']['URI'] ?? null;
+            $permission = $grant['Permission'] ?? null;
+
+            if ($granteeUri === self::PUBLIC_GRANTEE_URI && $permission === self::PUBLIC_GRANTS_PERMISSION) {
+                return Visibility::PUBLIC;
+            }
+        }
+
+        return Visibility::PRIVATE;
+    }
+
+    public function defaultForDirectories(): string
+    {
+        return $this->defaultForDirectories;
+    }
+}
\ No newline at end of file
diff --git a/src/QtiItems/QtiItemAssetCloudFrontReplacer.php b/src/QtiItems/QtiItemAssetCloudFrontReplacer.php
index 1c47fe9..a7bb0da 100644
--- a/src/QtiItems/QtiItemAssetCloudFrontReplacer.php
+++ b/src/QtiItems/QtiItemAssetCloudFrontReplacer.php
@@ -24,10 +24,11 @@
 namespace oat\awsTools\QtiItems;
 
 use Aws\S3\S3Client;
-use League\Flysystem\AwsS3v3\AwsS3Adapter;
+use League\Flysystem\AwsS3V3\AwsS3V3Adapter;
 use League\Flysystem\Config;
 use oat\awsTools\AwsClient;
 use oat\awsTools\items\ItemCloudFrontReplacement;
+use oat\awsTools\BucketOwnerVisibilityConverter;
 use oat\oatbox\service\ConfigurableService;
 use oat\taoItems\model\render\ItemAssetsReplacement;
 use oat\taoQtiItem\model\compile\QtiAssetReplacer\QtiItemAssetReplacer;
@@ -153,12 +154,13 @@ private function getItemAssetsReplacement(): ItemAssetsReplacement
         return $this->getServiceLocator()->get(ItemAssetsReplacement::SERVICE_ID);
     }
 
-    protected function getAwsS3Adapter(S3Client $s3Client, string $bucket, string $prefix): AwsS3Adapter
+    protected function getAwsS3Adapter(S3Client $s3Client, string $bucket, string $prefix): AwsS3V3Adapter
     {
-        return new AwsS3Adapter(
+        return new AwsS3V3Adapter(
             $s3Client,
             $bucket,
-            $prefix
+            $prefix,
+            new BucketOwnerVisibilityConverter()
         );
     }
 }
diff --git a/src/items/ItemCloudFrontReplacement.php b/src/items/ItemCloudFrontReplacement.php
index bcbd32d..8ea2e35 100644
--- a/src/items/ItemCloudFrontReplacement.php
+++ b/src/items/ItemCloudFrontReplacement.php
@@ -21,7 +21,8 @@
 
 namespace oat\awsTools\items;
 
-use League\Flysystem\AwsS3v3\AwsS3Adapter;
+use League\Flysystem\AwsS3V3\AwsS3V3Adapter;
+use League\Flysystem\FilesystemException;
 use oat\awsTools\AwsClient;
 use oat\oatbox\service\ConfigurableService;
 use oat\taoItems\model\render\ItemAssetsReplacement;
@@ -142,14 +143,10 @@ protected function retrieveKeyFile()
         if (!file_exists($this->getOption(self::OPTION_LOCAL_KEYFILE))) {
             if ($this->hasOption(self::OPTION_S3_KEYFILE) && $this->hasOption(self::OPTION_S3_BUCKET) && $this->hasOption(self::OPTION_S3_PREFIX)) {
                 $s3Client = $this->getClient()->getS3Client();
-                $s3Adapter = new AwsS3Adapter($s3Client, $this->getOption(self::OPTION_S3_BUCKET), $this->getOption(self::OPTION_S3_PREFIX));
-                $response = $s3Adapter->read($this->getOption(self::OPTION_S3_KEYFILE));
-                if ($response !== false) {
-                    file_put_contents($this->getOption(self::OPTION_LOCAL_KEYFILE), $response['contents']);
-                    chmod($this->getOption(self::OPTION_LOCAL_KEYFILE), 0600);
-                } else {
-                    throw new \common_Exception('Unable to retrieve key file from s3 : ' . $this->getOption(self::OPTION_LOCAL_KEYFILE));
-                }
+                $s3Adapter = new AwsS3V3Adapter($s3Client, $this->getOption(self::OPTION_S3_BUCKET), $this->getOption(self::OPTION_S3_PREFIX));
+                $key = $this->readKeyFile($s3Adapter);
+                file_put_contents($this->getOption(self::OPTION_LOCAL_KEYFILE), $key);
+                chmod($this->getOption(self::OPTION_LOCAL_KEYFILE), 0600);
             } else {
                 throw new \common_Exception('Unable to retrieve key file from s3. You should have a configuration for : ' . self::OPTION_S3_KEYFILE . ',' . self::OPTION_S3_BUCKET . 'and' . self::OPTION_S3_PREFIX);
             }
@@ -173,4 +170,21 @@ protected function getClient()
         }
         return $this->getServiceLocator()->get($serviceId);
     }
+
+    private function readKeyFile(AwsS3V3Adapter $s3Adapter): string
+    {
+        try {
+            $response = $s3Adapter->read($this->getOption(self::OPTION_S3_KEYFILE));
+        } catch (FilesystemException $e) {
+        } finally {
+            if (empty($response)) {
+                throw new \common_Exception(sprintf(
+                    'Unable to retrieve key file from s3 : %s',
+                    $this->getOption(self::OPTION_LOCAL_KEYFILE)
+                ));
+            }
+        }
+
+        return $response;
+    }
 }
diff --git a/test/unit/QtiItemAssetCloudFrontReplacerTest.php b/test/unit/QtiItemAssetCloudFrontReplacerTest.php
index 6831eaa..d1a56de 100644
--- a/test/unit/QtiItemAssetCloudFrontReplacerTest.php
+++ b/test/unit/QtiItemAssetCloudFrontReplacerTest.php
@@ -25,7 +25,7 @@
 
 use Aws\S3\S3Client;
 use GuzzleHttp\Psr7\Stream;
-use League\Flysystem\AwsS3v3\AwsS3Adapter;
+use League\Flysystem\AwsS3V3\AwsS3V3Adapter;
 use oat\awsTools\AwsClient;
 use oat\awsTools\items\ItemCloudFrontReplacement;
 use oat\awsTools\QtiItems\QtiItemAssetCloudFrontReplacer;
@@ -76,7 +76,7 @@ class QtiItemAssetCloudFrontReplacerTest extends TestCase
     private $itemAssetsReplacement;
 
     /**
-     * @var AwsS3Adapter
+     * @var AwsS3V3Adapter
      */
     private $awsS3Adapter;
 
@@ -89,8 +89,8 @@ public function setUp(): void
         $this->itemAssetsReplacement = $this->createMock(ItemCloudFrontReplacement::class);
         $this->itemAssetsReplacement->method('getOption')->willReturn('bucket_test');
 
-        $this->awsS3Adapter = $this->createMock(AwsS3Adapter::class);
-        $this->awsS3Adapter->method('writeStream')->willReturn(true);
+        $this->awsS3Adapter = $this->createMock(AwsS3V3Adapter::class);
+        $this->awsS3Adapter->method('writeStream');
 
         $replacer = new TestQtiItemAssetCloudFrontReplacer([
             QtiItemAssetCloudFrontReplacer::OPTION_PREFIX => 'prefix',
@@ -195,7 +195,7 @@ public function setAwsS3Adapter($mock)
         $this->awsS3Adapter = $mock;
     }
 
-    protected function getAwsS3Adapter(S3Client $s3Client, string $bucket, string $prefix): AwsS3Adapter
+    protected function getAwsS3Adapter(S3Client $s3Client, string $bucket, string $prefix): AwsS3V3Adapter
     {
         return $this->awsS3Adapter;
     }