diff --git a/django-stubs/db/models/base.pyi b/django-stubs/db/models/base.pyi
index 4527780..db494b5 100644
--- a/django-stubs/db/models/base.pyi
+++ b/django-stubs/db/models/base.pyi
@@ -23,6 +23,7 @@ class Model(metaclass=ModelBase):
     class Meta: ...
     _meta: Options[Any]
     _default_manager: BaseManager[Model]
+    _base_manager: BaseManager[Model]
     objects: BaseManager[Any]
     pk: Any = ...
     _state: ModelState