diff --git a/stubs/orjson/METADATA.toml b/stubs/orjson/METADATA.toml
index 5f1541084..f67b2ab02 100644
--- a/stubs/orjson/METADATA.toml
+++ b/stubs/orjson/METADATA.toml
@@ -1 +1,2 @@
-version = "0.1"
+version = "3.6"
+obsolete_since = "3.6.1"
diff --git a/stubs/orjson/orjson.pyi b/stubs/orjson/orjson.pyi
index 3fcbd7b66..0c1293d7d 100644
--- a/stubs/orjson/orjson.pyi
+++ b/stubs/orjson/orjson.pyi
@@ -1,9 +1,10 @@
-from typing import Any, Callable, Optional, Union
+from collections.abc import Callable
+from typing import Any
 
 __version__: str
 
-def dumps(__obj: Any, default: Optional[Callable[[Any], Any]] = ..., option: Optional[int] = ...) -> bytes: ...
-def loads(__obj: Union[bytes, bytearray, str]) -> Any: ...
+def dumps(__obj: Any, default: Callable[[Any], Any] | None = ..., option: int | None = ...) -> bytes: ...
+def loads(__obj: bytes | str) -> Any: ...
 
 class JSONDecodeError(ValueError): ...
 class JSONEncodeError(TypeError): ...