diff --git a/projects/jupyter-server-ydoc/jupyter_server_ydoc/stores.py b/projects/jupyter-server-ydoc/jupyter_server_ydoc/stores.py
index 0e17e855..0955ef86 100644
--- a/projects/jupyter-server-ydoc/jupyter_server_ydoc/stores.py
+++ b/projects/jupyter-server-ydoc/jupyter_server_ydoc/stores.py
@@ -7,7 +7,11 @@
 from traitlets.config import LoggingConfigurable
 
 
-class TempFileYStore(_TempFileYStore):
+class TempFileYStoreMetaclass(type(LoggingConfigurable), type(_TempFileYStore)):  # type: ignore
+    pass
+
+
+class TempFileYStore(LoggingConfigurable, _TempFileYStore, metaclass=TempFileYStoreMetaclass):
     prefix_dir = "jupyter_ystore_"