diff --git a/qtpy/QtLocation.py b/qtpy/QtLocation.py
index 1f7132dc..cf6de337 100644
--- a/qtpy/QtLocation.py
+++ b/qtpy/QtLocation.py
@@ -8,18 +8,27 @@
 """Provides QtLocation classes and functions."""
 
 from . import (
+    parse,
     PYQT5,
     PYQT6,
     PYSIDE2,
     PYSIDE6,
+    PYQT_VERSION,
+    PYSIDE_VERSION,
     QtBindingMissingModuleError,
 )
 
 if PYQT5:
     from PyQt5.QtLocation import *
 elif PYQT6:
-    raise QtBindingMissingModuleError(name='QtLocation')
+    if parse(PYQT_VERSION) >= parse('6.5'):
+        from PyQt6.QtLocation import *
+    else:
+        raise QtBindingMissingModuleError(name='QtLocation')
 elif PYSIDE2:
     from PySide2.QtLocation import *
 elif PYSIDE6:
-    raise QtBindingMissingModuleError(name='QtLocation')
+    if parse(PYSIDE_VERSION) >= parse('6.5'):
+        from PySide6.QtLocation import *
+    else:
+        raise QtBindingMissingModuleError(name='QtLocation')
diff --git a/qtpy/QtSerialBus.py b/qtpy/QtSerialBus.py
new file mode 100644
index 00000000..e46774bf
--- /dev/null
+++ b/qtpy/QtSerialBus.py
@@ -0,0 +1,30 @@
+# -----------------------------------------------------------------------------
+# Copyright © 2009- The Spyder Development Team
+#
+# Licensed under the terms of the MIT License
+# (see LICENSE.txt for details)
+# -----------------------------------------------------------------------------
+
+"""Provides QtSerialBus classes and functions."""
+
+from . import (
+    parse,
+    PYQT5,
+    PYQT6,
+    PYSIDE2,
+    PYSIDE6,
+    PYSIDE_VERSION,
+    QtBindingMissingModuleError,
+)
+
+if PYQT5:
+    from PyQt5.QtSerialBus import *
+elif PYQT6:
+    from PyQt6.QtSerialBus import *
+elif PYSIDE2:
+    from PySide2.QtSerialBus import *
+elif PYSIDE6:
+    if parse(PYSIDE_VERSION) >= parse('6.5'):
+        from PySide6.QtSerialBus import *
+    else:
+        raise QtBindingMissingModuleError(name='QtSerialBus')
diff --git a/qtpy/QtTextToSpeech.py b/qtpy/QtTextToSpeech.py
index cd978328..669941c2 100644
--- a/qtpy/QtTextToSpeech.py
+++ b/qtpy/QtTextToSpeech.py
@@ -7,11 +7,13 @@
 
 """Provides QtTextToSpeech classes and functions."""
 
-from . import (
+from packaging.version import parse
+from qtpy import (
     PYQT5,
     PYQT6,
     PYSIDE2,
     PYSIDE6,
+    PYSIDE_VERSION,
     QtBindingMissingModuleError,
 )
 
@@ -22,4 +24,7 @@
 elif PYSIDE2:
     from PySide2.QtTextToSpeech import *
 elif PYSIDE6:
-    raise QtBindingMissingModuleError(name='QtTextToSpeech')
+    if parse(PYSIDE_VERSION) >= parse('6.5'):
+        from PySide6.QtTextToSpeech import *
+    else:
+        raise QtBindingMissingModuleError(name='QtTextToSpeech')
diff --git a/qtpy/tests/test_qtserialbus.py b/qtpy/tests/test_qtserialbus.py
new file mode 100644
index 00000000..3440df94
--- /dev/null
+++ b/qtpy/tests/test_qtserialbus.py
@@ -0,0 +1,28 @@
+"""Test QtSerialBus."""
+
+import pytest
+from qtpy import (
+    parse,
+    PYSIDE6,
+    PYSIDE_VERSION,
+    QtBindingMissingModuleError,
+)
+
+
+@pytest.mark.skipif(not PYSIDE6 or parse(PYSIDE_VERSION) >= parse('6.5'), reason='.')
+def test_qtserialbus_pyside6_below_6_5():
+    with pytest.raises(QtBindingMissingModuleError) as excinfo:
+        from qtpy import QtSerialBus
+
+
+@pytest.mark.skipif(not PYSIDE6 or parse(PYSIDE_VERSION) < parse('6.5'), reason='.')
+def test_qtserialbus_pyside6_above_6_5():
+    """Test the qtpy.QtSerialBus namespace"""
+    from qtpy import QtSerialBus
+
+    assert QtSerialBus.QCanBus is not None
+    assert QtSerialBus.QCanBusDevice is not None
+    assert QtSerialBus.QCanBusDeviceInfo is not None
+    assert QtSerialBus.QModbusClient is not None
+    assert QtSerialBus.QModbusServer is not None
+    assert QtSerialBus.QModbusDevice is not None