diff --git a/odoo-stubs/tools/func.pyi b/odoo-stubs/tools/func.pyi
index b59c017..a6c95a2 100644
--- a/odoo-stubs/tools/func.pyi
+++ b/odoo-stubs/tools/func.pyi
@@ -16,8 +16,8 @@ class lazy_classproperty(lazy_property[_T]):
     def __get__(self, obj, cls) -> _T: ...
 
 def conditional(condition, decorator): ...
-def synchronized(lock_attr: str = ...): ...
-def frame_codeinfo(fframe, back: int = ...): ...
+def synchronized(lock_attr: str = ...) -> Callable[[_T], _T]: ...
+def frame_codeinfo(fframe, back: int = ...) -> tuple[str | None, str | None]: ...
 def compose(a: Callable[..., _T], b: Callable) -> Callable[..., _T]: ...
 
 class _ClassProperty(property, Generic[_T]):