diff --git a/bioimageio_collection_backoffice/generate_collection_json.py b/bioimageio_collection_backoffice/generate_collection_json.py
index 766f182e..2eaffb54 100644
--- a/bioimageio_collection_backoffice/generate_collection_json.py
+++ b/bioimageio_collection_backoffice/generate_collection_json.py
@@ -90,7 +90,7 @@ def maybe_swap_with_thumbnail(
     entry["root_url"] = (
         client.get_file_url("").strip("/") + "/" + rv.folder.strip("/") + "/files"
     )
-    entry["status"] = str(rv.info)
+    entry["status"] = rv.info.model_dump(mode="json")
     try:
         old_doi = rdf["config"]["_conceptdoi"]
     except KeyError: