diff --git a/jupyterlab_server/spec.py b/jupyterlab_server/spec.py
index 65c967d8..6abc929a 100644
--- a/jupyterlab_server/spec.py
+++ b/jupyterlab_server/spec.py
@@ -6,7 +6,12 @@
 
 def get_openapi_spec():
     """Get the OpenAPI spec object."""
-    from openapi_core import create_spec
+    try:
+        from openapi_core import OpenAPISpec as Spec
+
+        create_spec = Spec.create
+    except ImportError:
+        from openapi_core import create_spec
 
     openapi_spec_dict = get_openapi_spec_dict()
     return create_spec(openapi_spec_dict)