diff --git a/stdlib/3/faulthandler.pyi b/stdlib/3/faulthandler.pyi
index 1a87c9cf9..2dfce7714 100644
--- a/stdlib/3/faulthandler.pyi
+++ b/stdlib/3/faulthandler.pyi
@@ -15,7 +15,7 @@ else:
 def cancel_dump_traceback_later() -> None: ...
 def disable() -> None: ...
 def dump_traceback(file: _File = ..., all_threads: bool = ...) -> None: ...
-def dump_traceback_later(timeout: int, repeat: bool = ..., file: _File = ..., exit: bool = ...) -> None: ...
+def dump_traceback_later(timeout: float, repeat: bool = ..., file: _File = ..., exit: bool = ...) -> None: ...
 def enable(file: _File = ..., all_threads: bool = ...) -> None: ...
 def is_enabled() -> bool: ...
 if sys.platform != "win32":