diff --git a/.flake8 b/.flake8
index b9b86734..ac4413f5 100644
--- a/.flake8
+++ b/.flake8
@@ -1,6 +1,6 @@
 [flake8]
 ignore=E402,E741
 builtins=buffer,unichr
-max-line-length = 100
+max-line-length = 110
 exclude = build,.git,.venv
 filename = *.py,*.pyi
\ No newline at end of file
diff --git a/cairo/__init__.pyi b/cairo/__init__.pyi
index a2b969c6..cd2cae6c 100644
--- a/cairo/__init__.pyi
+++ b/cairo/__init__.pyi
@@ -2307,7 +2307,7 @@ class Surface:
         forth. The result can then be used with :class:`ScaledFont`.
         """
 
-    def get_mime_data(self, mime_type: str) -> Optional[bytes]:
+    def get_mime_data(self, mime_type: str) -> Union[bytes, bytearray, memoryview, None]:
         """
         :param mime_type: the MIME type of the image data
             (:ref:`constants_MIME_TYPE`)
@@ -2453,7 +2453,7 @@ class Surface:
         .. versionadded:: 1.2
         """
 
-    def set_mime_data(self, mime_type: str, data: Optional[bytes]) -> None:
+    def set_mime_data(self, mime_type: str, data: Union[bytes, bytearray, memoryview, None]) -> None:
         """
         :param mime_type: the MIME type of the image data
             (:ref:`constants_MIME_TYPE`)
diff --git a/pyproject.toml b/pyproject.toml
index a5e5e71a..29604001 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ optional = true
 [dependency-groups]
 dev = [
     "pytest>=8.3.0,<10",
-    "mypy==1.18.2 ; platform_python_implementation != 'PyPy'",
+    "mypy==2.3.0 ; platform_python_implementation != 'PyPy'",
     "flake8>=7.0.0,<8",
     "coverage[toml]>=7.2.3,<8",
     "meson-python>= 0.16.0",
diff --git a/tests/test_surface.py b/tests/test_surface.py
index c0489e3e..ee51fe42 100644
--- a/tests/test_surface.py
+++ b/tests/test_surface.py
@@ -501,6 +501,18 @@ def test_surface_get_set_mime_data() -> None:
     with pytest.raises(TypeError):
         surface.get_mime_data(object())  # type: ignore
 
+    v = memoryview(b"bla")
+    surface.set_mime_data("foo", v)
+    assert surface.get_mime_data("foo") is v
+    surface.set_mime_data("foo", None)
+    assert surface.get_mime_data("foo") is None
+
+    vb = bytearray(b"bla")
+    surface.set_mime_data("foo", vb)
+    assert surface.get_mime_data("foo") is vb
+    surface.set_mime_data("foo", None)
+    assert surface.get_mime_data("foo") is None
+
 
 def test_supports_mime_type() -> None:
     surface = cairo.PDFSurface(None, 3, 3)