diff --git a/pyproject.toml b/pyproject.toml
index 2149628..22cbfbb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ authors = [
 dependencies = [
     "appdirs>=1.4.4",
     "collections-undo>=0.0.7",
-    "magicgui>=0.5.1",
+    "magicgui>=0.7.0,!=0.8.3",
     "matplotlib>=3.1",
     "pandas>=1.5.2",
     "psygnal>=0.9.0",
@@ -104,3 +104,9 @@ filterwarnings = [
     "ignore:path is deprecated:DeprecationWarning",
     "ignore:Jupyter is migrating its paths to use standard platformdirs:DeprecationWarning",
 ]
+
+[tool.pyright.defineConstant]
+PYQT5 = true
+PYSIDE2 = false
+PYQT6 = false
+PYSIDE6 = false
diff --git a/tabulous/_magicgui/_color_edit.py b/tabulous/_magicgui/_color_edit.py
index d11b937..4e53f00 100644
--- a/tabulous/_magicgui/_color_edit.py
+++ b/tabulous/_magicgui/_color_edit.py
@@ -3,12 +3,7 @@
 from qtpy import QtWidgets as QtW, QtGui
 from qtpy.QtCore import Qt, Signal
 
-from magicgui import __version__ as MAGICGUI_VERSION
-
-if int(MAGICGUI_VERSION.split(".")[1]) >= 7:
-    from magicgui.widgets.bases import ValueWidget
-else:
-    from magicgui.widgets._bases import ValueWidget
+from magicgui.widgets.bases import ValueWidget
 from magicgui.backends._qtpy.widgets import QBaseValueWidget
 from magicgui.application import use_app
 
diff --git a/tabulous/_magicgui/_timedelta.py b/tabulous/_magicgui/_timedelta.py
index 6f995fe..7671a84 100644
--- a/tabulous/_magicgui/_timedelta.py
+++ b/tabulous/_magicgui/_timedelta.py
@@ -5,15 +5,10 @@
 from qtpy import QtWidgets as QtW, QtCore, QtGui
 from qtpy.QtCore import Signal
 
-from magicgui import __version__ as MAGICGUI_VERSION, register_type
+from magicgui import register_type
 
-if int(MAGICGUI_VERSION.split(".")[1]) >= 7:
-    from magicgui.widgets.bases import ValueWidget
-    from magicgui.types import Undefined
-else:
-    from magicgui.widgets._bases import ValueWidget
-
-    Undefined = None
+from magicgui.widgets.bases import ValueWidget
+from magicgui.types import Undefined
 
 from magicgui.backends._qtpy.widgets import QBaseValueWidget
 
diff --git a/tabulous/_magicgui/_toggle_switch.py b/tabulous/_magicgui/_toggle_switch.py
index 231797e..9052084 100644
--- a/tabulous/_magicgui/_toggle_switch.py
+++ b/tabulous/_magicgui/_toggle_switch.py
@@ -3,10 +3,7 @@
 from qtpy import QtWidgets as QtW, QtCore, QtGui
 from qtpy.QtCore import Qt, Signal, Property
 
-try:
-    from magicgui.widgets.bases import ButtonWidget, CategoricalWidget
-except ImportError:
-    from magicgui.widgets._bases import ButtonWidget, CategoricalWidget
+from magicgui.widgets.bases import ButtonWidget, CategoricalWidget
 from magicgui.backends._qtpy.widgets import (
     QBaseButtonWidget,
     RadioButtons as RadioButtonsBase,