diff --git a/stubs/Pygments/pygments/__init__.pyi b/stubs/Pygments/pygments/__init__.pyi
index d5fab4ab32db..2ca76dd7cda7 100644
--- a/stubs/Pygments/pygments/__init__.pyi
+++ b/stubs/Pygments/pygments/__init__.pyi
@@ -12,7 +12,7 @@ __version__: Final[str]
 __docformat__: Final = "restructuredtext"
 __all__ = ["lex", "format", "highlight"]
 
-def lex(code: str, lexer: Lexer) -> Iterator[tuple[_TokenType, str]]: ...
+def lex(code: str | bytes, lexer: Lexer) -> Iterator[tuple[_TokenType, str]]: ...
 
 @overload
 def format(tokens: Iterable[tuple[_TokenType, str]], formatter: Formatter[_T], outfile: SupportsWrite[_T]) -> None: ...
@@ -20,6 +20,6 @@ def format(tokens: Iterable[tuple[_TokenType, str]], formatter: Formatter[_T], o
 def format(tokens: Iterable[tuple[_TokenType, str]], formatter: Formatter[_T], outfile: None = None) -> _T: ...
 
 @overload
-def highlight(code: str, lexer: Lexer, formatter: Formatter[_T], outfile: SupportsWrite[_T]) -> None: ...
+def highlight(code: str | bytes, lexer: Lexer, formatter: Formatter[_T], outfile: SupportsWrite[_T]) -> None: ...
 @overload
-def highlight(code: str, lexer: Lexer, formatter: Formatter[_T], outfile: None = None) -> _T: ...
+def highlight(code: str | bytes, lexer: Lexer, formatter: Formatter[_T], outfile: None = None) -> _T: ...
diff --git a/stubs/Pygments/pygments/lexer.pyi b/stubs/Pygments/pygments/lexer.pyi
index 124ba720f15e..54e2e9fa0eb8 100644
--- a/stubs/Pygments/pygments/lexer.pyi
+++ b/stubs/Pygments/pygments/lexer.pyi
@@ -47,7 +47,7 @@ class Lexer(metaclass=LexerMeta):
     def add_filter(self, filter_, **options) -> None: ...
     @staticmethod  # @staticmethod added by special handling in metaclass
     def analyse_text(text: str) -> float: ...
-    def get_tokens(self, text: str, unfiltered: bool = False) -> Iterator[tuple[_TokenType, str]]: ...
+    def get_tokens(self, text: str | bytes, unfiltered: bool = False) -> Iterator[tuple[_TokenType, str]]: ...
     def get_tokens_unprocessed(self, text: str) -> Iterator[tuple[int, _TokenType, str]]: ...
 
 class DelegatingLexer(Lexer):