diff --git a/dandiapi/api/services/asset/__init__.py b/dandiapi/api/services/asset/__init__.py
index a597e626d..b2a92febf 100644
--- a/dandiapi/api/services/asset/__init__.py
+++ b/dandiapi/api/services/asset/__init__.py
@@ -14,7 +14,7 @@
     AssetAlreadyExistsError,
     AssetPathConflictError,
     DandisetOwnerRequiredError,
-    DraftDandisetNotModifiableError,
+    PublishedDandisetNotModifiableError,
     ZarrArchiveBelongsToDifferentDandisetError,
 )
 from dandiapi.api.services.permissions.dandiset import is_dandiset_owner
@@ -121,7 +121,7 @@ def change_asset(  # noqa: PLR0913
     if not is_dandiset_owner(version.dandiset, user):
         raise DandisetOwnerRequiredError
     if version.version != 'draft':
-        raise DraftDandisetNotModifiableError
+        raise PublishedDandisetNotModifiableError
 
     path = new_metadata['path']
     new_metadata_stripped = Asset.strip_metadata(new_metadata)
@@ -171,7 +171,7 @@ def add_asset_to_version(
     if not is_dandiset_owner(version.dandiset, user):
         raise DandisetOwnerRequiredError
     if version.version != 'draft':
-        raise DraftDandisetNotModifiableError
+        raise PublishedDandisetNotModifiableError
 
     # Check if there are already any assets with the same path
     path = metadata['path']
@@ -203,7 +203,7 @@ def remove_asset_from_version(*, user, asset: Asset, version: Version) -> Versio
     if not is_dandiset_owner(version.dandiset, user):
         raise DandisetOwnerRequiredError
     if version.version != 'draft':
-        raise DraftDandisetNotModifiableError
+        raise PublishedDandisetNotModifiableError
 
     with transaction.atomic():
         _remove_asset_from_version(asset=asset, version=version)
diff --git a/dandiapi/api/services/asset/exceptions.py b/dandiapi/api/services/asset/exceptions.py
index a86f0864c..25f3e19d1 100644
--- a/dandiapi/api/services/asset/exceptions.py
+++ b/dandiapi/api/services/asset/exceptions.py
@@ -10,7 +10,7 @@ class DandisetOwnerRequiredError(DandiError):
     message = 'A dandiset owner is required to perform this action.'
 
 
-class DraftDandisetNotModifiableError(DandiError):
+class PublishedDandisetNotModifiableError(DandiError):
     http_status_code = status.HTTP_405_METHOD_NOT_ALLOWED
     message = 'Only draft versions can be modified.'
 
diff --git a/dandiapi/api/views/asset.py b/dandiapi/api/views/asset.py
index de3a2350f..2ee4d1337 100644
--- a/dandiapi/api/views/asset.py
+++ b/dandiapi/api/views/asset.py
@@ -24,7 +24,7 @@
     change_asset,
     remove_asset_from_version,
 )
-from dandiapi.api.services.asset.exceptions import DraftDandisetNotModifiableError
+from dandiapi.api.services.asset.exceptions import PublishedDandisetNotModifiableError
 from dandiapi.api.services.embargo.exceptions import DandisetUnembargoInProgressError
 from dandiapi.api.services.permissions.dandiset import (
     is_dandiset_owner,
@@ -360,7 +360,7 @@ def update(self, request, versions__dandiset__pk, versions__version, **kwargs):
             version=versions__version,
         )
         if version.version != 'draft':
-            raise DraftDandisetNotModifiableError
+            raise PublishedDandisetNotModifiableError
         if version.dandiset.unembargo_in_progress:
             raise DandisetUnembargoInProgressError
 
diff --git a/dandiapi/api/views/version.py b/dandiapi/api/views/version.py
index bcd1f9d4d..2d526a15a 100644
--- a/dandiapi/api/views/version.py
+++ b/dandiapi/api/views/version.py
@@ -13,6 +13,7 @@
 
 from dandiapi.api.models import Dandiset, Version
 from dandiapi.api.services import audit
+from dandiapi.api.services.asset.exceptions import PublishedDandisetNotModifiableError
 from dandiapi.api.services.embargo.exceptions import DandisetUnembargoInProgressError
 from dandiapi.api.services.permissions.dandiset import (
     is_dandiset_owner,
@@ -96,10 +97,7 @@ def update(self, request, **kwargs):
         """Update the metadata of a version."""
         version: Version = self.get_object()
         if version.version != 'draft':
-            return Response(
-                'Only draft versions can be modified.',
-                status=status.HTTP_405_METHOD_NOT_ALLOWED,
-            )
+            raise PublishedDandisetNotModifiableError
         if version.dandiset.unembargo_in_progress:
             raise DandisetUnembargoInProgressError