diff --git a/src/v/pandaproxy/schema_registry/types.h b/src/v/pandaproxy/schema_registry/types.h
index 9d53e4bd18815..276a1413eec52 100644
--- a/src/v/pandaproxy/schema_registry/types.h
+++ b/src/v/pandaproxy/schema_registry/types.h
@@ -28,6 +28,7 @@
 
 namespace pandaproxy::schema_registry {
 
+using is_mutable = ss::bool_class<struct is_mutable_tag>;
 using permanent_delete = ss::bool_class<struct delete_tag>;
 using include_deleted = ss::bool_class<struct include_deleted_tag>;
 using is_deleted = ss::bool_class<struct is_deleted_tag>;