diff --git a/stubs/openpyxl/openpyxl/__init__.pyi b/stubs/openpyxl/openpyxl/__init__.pyi
index 0c1f04c63..de5224812 100644
--- a/stubs/openpyxl/openpyxl/__init__.pyi
+++ b/stubs/openpyxl/openpyxl/__init__.pyi
@@ -1,4 +1,4 @@
-from _typeshed import StrPath, SupportsRead
+from _typeshed import StrPath, SupportsRead, SupportsWrite
 from typing import IO, Literal, Protocol
 from typing_extensions import TypeAlias
 
@@ -25,6 +25,7 @@ _VisibilityType: TypeAlias = Literal["visible", "hidden", "veryHidden"]  # noqa:
 # TODO: Use a proper protocol from ZipFile. See: #10880
 # This alias is to minimize false-positives
 _ZipFileFileProtocol: TypeAlias = StrPath | IO[bytes] | SupportsRead[bytes]  # noqa: Y047
+_ZipFileFileWriteProtocol: TypeAlias = StrPath | IO[bytes] | SupportsWrite[bytes]  # noqa: Y047
 
 class _Decodable(Protocol):  # noqa: Y046
     def decode(self, encoding: str, /) -> str: ...
diff --git a/stubs/openpyxl/openpyxl/workbook/workbook.pyi b/stubs/openpyxl/openpyxl/workbook/workbook.pyi
index 9756e5f7a..f93f63479 100644
--- a/stubs/openpyxl/openpyxl/workbook/workbook.pyi
+++ b/stubs/openpyxl/openpyxl/workbook/workbook.pyi
@@ -5,7 +5,7 @@ from typing import Any, Final, type_check_only
 from typing_extensions import TypeAlias, deprecated
 from zipfile import ZipFile
 
-from openpyxl import _Decodable, _ZipFileFileProtocol
+from openpyxl import _Decodable, _ZipFileFileWriteProtocol
 from openpyxl.chartsheet.chartsheet import Chartsheet
 from openpyxl.styles.named_styles import NamedStyle
 from openpyxl.utils.indexed_list import IndexedList
@@ -112,7 +112,7 @@ class Workbook:
     def named_styles(self) -> list[str]: ...
     @property
     def mime_type(self) -> str: ...
-    def save(self, filename: _ZipFileFileProtocol) -> None: ...
+    def save(self, filename: _ZipFileFileWriteProtocol) -> None: ...
     @property
     def style_names(self) -> list[str]: ...
     # A write_only and read_only workbooks can't use this method as it requires both reading and writing.