diff --git a/bioimageio_colab/hypha_data_store.py b/bioimageio_colab/hypha_data_store.py
index 60add5b..d8c1ea8 100644
--- a/bioimageio_colab/hypha_data_store.py
+++ b/bioimageio_colab/hypha_data_store.py
@@ -21,7 +21,7 @@ async def setup(self, server, service_id="data-store", visibility="public"):
               "require_context": False
             },
             "get": self.http_get,
-        }, overwrite=True)
+        })
 
     def get_url(self, obj_id: str):
         assert self._svc, "Service not initialized, call `setup()`"
diff --git a/bioimageio_colab/register_sam_service.py b/bioimageio_colab/register_sam_service.py
index 6dc6f19..a48c950 100644
--- a/bioimageio_colab/register_sam_service.py
+++ b/bioimageio_colab/register_sam_service.py
@@ -223,8 +223,7 @@ async def register_service(args: dict) -> None:
             # remove the user id from the storage
             # returns True if the user was removed successfully
             "remove_user_id": remove_user_id,  # TODO: add a timeout to remove a user after a certain time
-        },
-        overwrite=True,
+        }, {"overwrite": True}
     )
     sid = service_info["id"]
     assert sid == f"{args.workspace_name}/{args.client_id}:{args.service_id}"