diff --git a/backend/image_transfer/decoder.py b/backend/image_transfer/decoder.py
index 5c6b4dafb..302890860 100644
--- a/backend/image_transfer/decoder.py
+++ b/backend/image_transfer/decoder.py
@@ -162,4 +162,4 @@ def load_zip_images_in_registry(dxf_base: DXFBase, zip_file: ZipFile, strict: bo
 
 
 def get_payload_descriptor(zip_file: ZipFile) -> PayloadDescriptor:
-    return PayloadDescriptor.parse_raw(zip_file.read("payload_descriptor.json").decode())
+    return PayloadDescriptor.model_validate_json(zip_file.read("payload_descriptor.json").decode())
diff --git a/backend/image_transfer/encoder.py b/backend/image_transfer/encoder.py
index 603bcb904..a78aac4f6 100644
--- a/backend/image_transfer/encoder.py
+++ b/backend/image_transfer/encoder.py
@@ -133,7 +133,7 @@ def create_zip_from_docker_images(
         dest = payload_descriptor.manifests_paths[manifest.docker_image_name]
         zip_file.writestr(dest, manifest.content)
 
-    zip_file.writestr("payload_descriptor.json", payload_descriptor.json(indent=4))
+    zip_file.writestr("payload_descriptor.json", payload_descriptor.model_dump_json(indent=4))
 
 
 def make_payload(