diff --git a/domain/framework/entity.py b/domain/framework/entity.py
index fa2cb43..99f0ad9 100644
--- a/domain/framework/entity.py
+++ b/domain/framework/entity.py
@@ -14,5 +14,8 @@ class Entity(ABC):
     def get_changes(self) -> tuple[DomainEvent, ...]:
         return self._changes
 
+    def _ensure_valid_state(self):
+        pass
+
     def clear_changes(self) -> Self:
         return replace(self, _changes=())