diff --git a/stubs/decorator/METADATA.toml b/stubs/decorator/METADATA.toml
index 2c151642b..4c67f14af 100644
--- a/stubs/decorator/METADATA.toml
+++ b/stubs/decorator/METADATA.toml
@@ -1 +1,4 @@
 version = "5.1.*"
+
+[tool.stubtest]
+ignore_missing_stub = false
diff --git a/stubs/decorator/decorator.pyi b/stubs/decorator/decorator.pyi
index 36dcfe813..36ac4209f 100644
--- a/stubs/decorator/decorator.pyi
+++ b/stubs/decorator/decorator.pyi
@@ -1,7 +1,7 @@
 from builtins import dict as _dict  # alias to avoid conflicts with attribute name
 from collections.abc import Callable, Iterator
 from contextlib import _GeneratorContextManager
-from inspect import getfullargspec as getfullargspec, iscoroutinefunction as iscoroutinefunction
+from inspect import Signature, getfullargspec as getfullargspec, iscoroutinefunction as iscoroutinefunction
 from re import Pattern
 from typing import Any, TypeVar
 from typing_extensions import ParamSpec
@@ -56,7 +56,9 @@ class FunctionMaker:
         **attrs: Any,
     ) -> Callable[..., Any]: ...
 
+def fix(args: tuple[Any, ...], kwargs: dict[str, Any], sig: Signature) -> tuple[tuple[Any, ...], dict[str, Any]]: ...
 def decorate(func: _Func, caller: Callable[..., Any], extras: Any = ...) -> _Func: ...
+def decoratorx(caller: Callable[..., Any]) -> Callable[..., Any]: ...
 def decorator(
     caller: Callable[..., Any], _func: Callable[..., Any] | None = ...
 ) -> Callable[[Callable[..., Any]], Callable[..., Any]]: ...
@@ -65,4 +67,5 @@ class ContextManager(_GeneratorContextManager[_T]):
     def __call__(self, func: _C) -> _C: ...
 
 def contextmanager(func: Callable[_P, Iterator[_T]]) -> Callable[_P, ContextManager[_T]]: ...
+def append(a: type, vancestors: list[type]) -> None: ...
 def dispatch_on(*dispatch_args: Any) -> Callable[[Callable[..., Any]], Callable[..., Any]]: ...