diff --git a/stdlib/tkinter/simpledialog.pyi b/stdlib/tkinter/simpledialog.pyi
index c0ba842b073f..fbe78530721f 100644
--- a/stdlib/tkinter/simpledialog.pyi
+++ b/stdlib/tkinter/simpledialog.pyi
@@ -22,6 +22,6 @@ class SimpleDialog:
     def wm_delete_window(self) -> None: ...
     def done(self, num: int) -> None: ...
 
-def askfloat(title: str | None, prompt: str, **kwargs: Any) -> float: ...
-def askinteger(title: str | None, prompt: str, **kwargs: Any) -> int: ...
-def askstring(title: str | None, prompt: str, **kwargs: Any) -> str: ...
+def askfloat(title: str | None, prompt: str, **kwargs: Any) -> float | None: ...
+def askinteger(title: str | None, prompt: str, **kwargs: Any) -> int | None: ...
+def askstring(title: str | None, prompt: str, **kwargs: Any) -> str | None: ...