diff --git a/plugins/ibis/superduper_ibis/__init__.py b/plugins/ibis/superduper_ibis/__init__.py
index 92a43d292..ea1310ffb 100644
--- a/plugins/ibis/superduper_ibis/__init__.py
+++ b/plugins/ibis/superduper_ibis/__init__.py
@@ -1,6 +1,6 @@
 from .data_backend import IbisDataBackend as DataBackend
 from .query import IbisQuery
 
-__version__ = "0.4.7"
+__version__ = "0.4.8"
 
 __all__ = ["IbisQuery", "DataBackend"]
diff --git a/plugins/sqlalchemy/superduper_sqlalchemy/__init__.py b/plugins/sqlalchemy/superduper_sqlalchemy/__init__.py
index adaa6208c..4830ede8e 100644
--- a/plugins/sqlalchemy/superduper_sqlalchemy/__init__.py
+++ b/plugins/sqlalchemy/superduper_sqlalchemy/__init__.py
@@ -1,5 +1,5 @@
 from .metadata import SQLAlchemyMetadata as MetaDataStore
 
-__version__ = "0.4.5"
+__version__ = "0.4.6"
 
 __all__ = ['MetaDataStore']
diff --git a/superduper/backends/base/metadata.py b/superduper/backends/base/metadata.py
index 121781602..635a6db85 100644
--- a/superduper/backends/base/metadata.py
+++ b/superduper/backends/base/metadata.py
@@ -39,8 +39,11 @@ def batched(self):
         """Batched metadata updates."""
         return False
 
-    def expire(self):
-        """Expire metadata batch cache if any."""
+    def expire(self, uuid: str):
+        """Expire metadata batch cache if any.
+
+        :param uuid: uuid to expire.
+        """
 
     @abstractmethod
     def delete_parent_child(self, parent: str, child: str):