diff --git a/stdlib/codecs.pyi b/stdlib/codecs.pyi
index 2a3e5d72d..aa5756fec 100644
--- a/stdlib/codecs.pyi
+++ b/stdlib/codecs.pyi
@@ -58,13 +58,13 @@ _BytesToBytesEncodingT = Literal[
 @overload
 def encode(obj: bytes, encoding: _BytesToBytesEncodingT, errors: str = ...) -> bytes: ...
 @overload
-def encode(obj: str, encoding: Literal["rot13", "rot_13"] = ..., errors: str = ...) -> str: ...  # type: ignore[misc]
+def encode(obj: str, encoding: Literal["rot13", "rot_13", "hex"] = ..., errors: str = ...) -> str: ...  # type: ignore[misc]
 @overload
 def encode(obj: str, encoding: str = ..., errors: str = ...) -> bytes: ...
 @overload
 def decode(obj: bytes, encoding: _BytesToBytesEncodingT, errors: str = ...) -> bytes: ...  # type: ignore[misc]
 @overload
-def decode(obj: str, encoding: Literal["rot13", "rot_13"] = ..., errors: str = ...) -> str: ...
+def decode(obj: str, encoding: Literal["rot13", "rot_13", "hex"] = ..., errors: str = ...) -> str: ...
 @overload
 def decode(obj: bytes, encoding: str = ..., errors: str = ...) -> str: ...
 def lookup(__encoding: str) -> CodecInfo: ...