diff --git a/attachment_minio/__manifest__.py b/attachment_minio/__manifest__.py
index fe230ae8..495041dc 100755
--- a/attachment_minio/__manifest__.py
+++ b/attachment_minio/__manifest__.py
@@ -1,6 +1,6 @@
 {
     "name": "Attachment MinIO",
-    "version": "13.0.1.0.0",
+    "version": "14.0.1.0.0",
     "depends": [
         "base_attachment_object_storage",
     ],
diff --git a/attachment_minio/migrations/13.0.0.0.1/post-migration.py b/attachment_minio/migrations/14.0.0.0.1/post-migration.py
similarity index 100%
rename from attachment_minio/migrations/13.0.0.0.1/post-migration.py
rename to attachment_minio/migrations/14.0.0.0.1/post-migration.py
diff --git a/attachment_minio/models/ir_attachment.py b/attachment_minio/models/ir_attachment.py
index 70ba2640..2d963f8f 100644
--- a/attachment_minio/models/ir_attachment.py
+++ b/attachment_minio/models/ir_attachment.py
@@ -3,7 +3,6 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 
 import io
-import base64
 import logging
 from minio import Minio
 from minio.error import NoSuchKey
@@ -73,7 +72,7 @@ class MinioAttachment(models.Model):
             bucket = self._get_minio_bucket(client, name=s3uri.bucket())
             try:
                 response = client.get_object(bucket, s3uri.item())
-                return base64.b64encode(response.read())
+                return response.read()
             except NoSuchKey:
                 _logger.info('attachment "%s" missing from remote object storage', (fname, ))
             return ''