diff --git a/cvat/apps/engine/backup.py b/cvat/apps/engine/backup.py
index 927689f3b29..87f9244fc53 100644
--- a/cvat/apps/engine/backup.py
+++ b/cvat/apps/engine/backup.py
@@ -3,7 +3,7 @@
 #
 # SPDX-License-Identifier: MIT
 
-import encodings
+import codecs
 import io
 import json
 import mimetypes
@@ -613,7 +613,7 @@ def serialize_annotations():
         annotations = serialize_annotations()
         target_annotations_file = os.path.join(target_dir, self.ANNOTATIONS_FILENAME) if target_dir else self.ANNOTATIONS_FILENAME
         with zip_object.open(target_annotations_file, 'w') as f:
-            json.dump(annotations, encodings.utf_8.StreamWriter(f), separators=(',', ':'))
+            json.dump(annotations, codecs.getwriter('utf-8')(f), separators=(',', ':'))
 
     def _export_task(self, zip_obj, target_dir=None):
         self._write_data(zip_obj, target_dir)
diff --git a/cvat/requirements/base.in b/cvat/requirements/base.in
index c812da5440b..380e066d889 100644
--- a/cvat/requirements/base.in
+++ b/cvat/requirements/base.in
@@ -33,6 +33,7 @@ djangorestframework>=3.15.2,<4
 drf-spectacular==0.26.2
 furl==2.1.0
 google-cloud-storage==1.42.0
+json-stream>=2.0
 lxml>=5.2.1,<6
 natsort==8.0.0
 numpy~=1.22.2
@@ -57,4 +58,3 @@ rq==1.16.0
 rules>=3.3
 Shapely==1.7.1
 xmlsec>=1.3.14,<2
-json-stream>=2.0