diff --git a/demo/model_app.py b/demo/model_app.py
index d3ff204..d57b2cd 100644
--- a/demo/model_app.py
+++ b/demo/model_app.py
@@ -1,6 +1,5 @@
 from typing import List
 
-from fonticon_fa6 import FA6S
 from qtpy.QtCore import QFile, QFileInfo, QSaveFile, Qt, QTextStream
 from qtpy.QtWidgets import QApplication, QFileDialog, QMessageBox, QTextEdit
 
@@ -160,7 +159,7 @@ class CommandId:
 ACTIONS: List[types.Action] = [
     types.Action(
         id="new_file",
-        icon=FA6S.file_circle_plus,
+        icon="fa6-solid:file-circle-plus",
         title="New",
         keybindings=[types.StandardKeyBinding.New],
         status_tip="Create a new file",
@@ -169,7 +168,7 @@ class CommandId:
     ),
     types.Action(
         id="open_file",
-        icon=FA6S.folder_open,
+        icon="fa6-solid:folder-open",
         title="Open...",
         keybindings=[types.StandardKeyBinding.Open],
         status_tip="Open an existing file",
@@ -178,7 +177,7 @@ class CommandId:
     ),
     types.Action(
         id="save_file",
-        icon=FA6S.floppy_disk,
+        icon="fa6-solid:floppy-disk",
         title="Save",
         keybindings=[types.StandardKeyBinding.Save],
         status_tip="Save the document to disk",
@@ -203,7 +202,7 @@ class CommandId:
     ),
     types.Action(
         id="cut",
-        icon=FA6S.scissors,
+        icon="fa6-solid:scissors",
         title="Cut",
         keybindings=[types.StandardKeyBinding.Cut],
         enablement="copyAvailable",
@@ -213,7 +212,7 @@ class CommandId:
     ),
     types.Action(
         id="copy",
-        icon=FA6S.copy,
+        icon="fa6-solid:copy",
         title="Copy",
         keybindings=[types.StandardKeyBinding.Copy],
         enablement="copyAvailable",
@@ -223,7 +222,7 @@ class CommandId:
     ),
     types.Action(
         id="paste",
-        icon=FA6S.paste,
+        icon="fa6-solid:paste",
         title="Paste",
         keybindings=[types.StandardKeyBinding.Paste],
         status_tip="Paste the clipboard's contents into the current selection",
diff --git a/demo/multi_file/actions.py b/demo/multi_file/actions.py
index 9dd2197..397fa3d 100644
--- a/demo/multi_file/actions.py
+++ b/demo/multi_file/actions.py
@@ -1,7 +1,5 @@
 from typing import List
 
-from fonticon_fa6 import FA6S
-
 from app_model.types import Action, KeyBindingRule, KeyCode, KeyMod, MenuRule
 
 from . import functions
@@ -11,7 +9,7 @@
     Action(
         id=CommandId.OPEN,
         title="Open",
-        icon=FA6S.folder_open,
+        icon="fa6-solid:folder-open",
         callback=functions.open_file,
         menus=[MenuRule(id=MenuId.FILE)],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyO)],
@@ -19,7 +17,7 @@
     Action(
         id=CommandId.CLOSE,
         title="Close",
-        icon=FA6S.window_close,
+        icon="fa6-solid:window-close",
         callback=functions.close,
         menus=[MenuRule(id=MenuId.FILE)],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyW)],
@@ -27,7 +25,7 @@
     Action(
         id=CommandId.UNDO,
         title="Undo",
-        icon=FA6S.undo,
+        icon="fa6-solid:undo",
         callback=functions.undo,
         menus=[MenuRule(id=MenuId.EDIT, group="1_undo_redo")],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyZ)],
@@ -35,7 +33,7 @@
     Action(
         id=CommandId.REDO,
         title="Redo",
-        icon=FA6S.rotate_right,
+        icon="fa6-solid:rotate-right",
         callback=functions.redo,
         menus=[MenuRule(id=MenuId.EDIT, group="1_undo_redo")],
         keybindings=[
@@ -45,7 +43,7 @@
     Action(
         id=CommandId.CUT,
         title="Cut",
-        icon=FA6S.cut,
+        icon="fa6-solid:cut",
         callback=functions.cut,
         menus=[MenuRule(id=MenuId.EDIT, group="3_copypaste")],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyX)],
@@ -53,7 +51,7 @@
     Action(
         id=CommandId.COPY,
         title="Copy",
-        icon=FA6S.copy,
+        icon="fa6-solid:copy",
         callback=functions.copy,
         menus=[MenuRule(id=MenuId.EDIT, group="3_copypaste")],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyC)],
@@ -61,7 +59,7 @@
     Action(
         id=CommandId.PASTE,
         title="Paste",
-        icon=FA6S.paste,
+        icon="fa6-solid:paste",
         callback=functions.paste,
         menus=[MenuRule(id=MenuId.EDIT, group="3_copypaste")],
         keybindings=[KeyBindingRule(primary=KeyMod.CtrlCmd | KeyCode.KeyV)],
diff --git a/pyproject.toml b/pyproject.toml
index 08dbb2b..fafd604 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
 [project.optional-dependencies]
 test = ["pytest>=6.0", "pytest-cov"]
 test-qt = ["pytest-qt", "fonticon-fontawesome6"]
-qt = ["qtpy", "superqt"]
+qt = ["qtpy", "superqt[iconify]"]
 dev = [
     "black",
     "ipython",
diff --git a/src/app_model/backends/qt/_qaction.py b/src/app_model/backends/qt/_qaction.py
index c8f78f6..8203e1f 100644
--- a/src/app_model/backends/qt/_qaction.py
+++ b/src/app_model/backends/qt/_qaction.py
@@ -13,8 +13,6 @@
     cast,
 )
 
-from qtpy.QtWidgets import QAction
-
 from app_model import Application
 from app_model.expressions import Expr
 from app_model.types import ToggleRule
@@ -23,9 +21,12 @@
 from ._util import to_qicon
 
 if TYPE_CHECKING:
+    from PyQt6.QtGui import QAction
     from qtpy.QtCore import QObject
 
     from app_model.types import CommandRule, MenuItem
+else:
+    from qtpy.QtWidgets import QAction
 
 
 class QCommandAction(QAction):
diff --git a/src/app_model/backends/qt/_util.py b/src/app_model/backends/qt/_util.py
index 11d13e4..1dda83e 100644
--- a/src/app_model/backends/qt/_util.py
+++ b/src/app_model/backends/qt/_util.py
@@ -12,8 +12,11 @@
 
 def to_qicon(icon: Icon, theme: Literal["dark", "light"] = "dark") -> QIcon:
     """Create QIcon from Icon."""
-    from superqt import fonticon
+    from superqt import QIconifyIcon, fonticon
 
     if icn := getattr(icon, theme, ""):
-        return fonticon.icon(icn)
+        if ":" in icn:
+            return QIconifyIcon(icn)
+        else:
+            return fonticon.icon(icn)
     return QIcon()  # pragma: no cover
diff --git a/src/app_model/types/_command_rule.py b/src/app_model/types/_command_rule.py
index 2e68b5a..49c5111 100644
--- a/src/app_model/types/_command_rule.py
+++ b/src/app_model/types/_command_rule.py
@@ -53,7 +53,10 @@ class CommandRule(_BaseModel):
     icon: Optional[Icon] = Field(
         None,
         description="(Optional) Icon used to represent this command, e.g. on buttons "
-        "or in menus. These may be superqt fonticon keys, such as `fa6s.arrow_down`",
+        "or in menus. These may be [iconify keys](https://icon-sets.iconify.design), "
+        "such as `fa6-solid:arrow-down`, or "
+        "[superqt.fonticon](https://pyapp-kit.github.io/superqt/utilities/fonticon/)"
+        " keys, such as `fa6s.arrow_down`",
     )
     enablement: Optional[expressions.Expr] = Field(
         None,
diff --git a/src/app_model/types/_icon.py b/src/app_model/types/_icon.py
index 0bc11f7..48ccd46 100644
--- a/src/app_model/types/_icon.py
+++ b/src/app_model/types/_icon.py
@@ -14,13 +14,19 @@ class Icon(_BaseModel):
 
     dark: Optional[str] = Field(
         None,
-        description="Icon path when a dark theme is used. These may be superqt "
-        "fonticon keys, such as `fa6s.arrow_down`",
+        description="Icon path when a dark theme is used. These may be "
+        "[iconify keys](https://icon-sets.iconify.design), such as "
+        "`fa6-solid:arrow-down`, or "
+        "[superqt.fonticon](https://pyapp-kit.github.io/superqt/utilities/fonticon/)"
+        " keys, such as `fa6s.arrow_down`",
     )
     light: Optional[str] = Field(
         None,
-        description="Icon path when a light theme is used. These may be superqt "
-        "fonticon keys, such as `fa6s.arrow_down`",
+        description="Icon path when a light theme is used. These may be "
+        "[iconify keys](https://icon-sets.iconify.design), such as "
+        "`fa6-solid:arrow-down`, or "
+        "[superqt.fonticon](https://pyapp-kit.github.io/superqt/utilities/fonticon/)"
+        " keys, such as `fa6s.arrow_down`",
     )
 
     @classmethod
diff --git a/src/app_model/types/_menu_rule.py b/src/app_model/types/_menu_rule.py
index e75f623..09eb08a 100644
--- a/src/app_model/types/_menu_rule.py
+++ b/src/app_model/types/_menu_rule.py
@@ -98,7 +98,10 @@ class SubmenuItem(_MenuItemBase):
     icon: Optional[Icon] = Field(
         None,
         description="(Optional) Icon used to represent this submenu. "
-        "These may be superqt fonticon keys, such as `fa6s.arrow_down`",
+        "These may be [iconify keys](https://icon-sets.iconify.design), "
+        "such as `fa6-solid:arrow-down`, or "
+        "[superqt.fonticon](https://pyapp-kit.github.io/superqt/utilities/fonticon/)"
+        " keys, such as `fa6s.arrow_down`",
     )
     enablement: Optional[expressions.Expr] = Field(
         None,
diff --git a/tests/conftest.py b/tests/conftest.py
index 2a18d96..6bc6771 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -13,7 +13,7 @@
 
     UNDO_ICON = FA6S.rotate_left
 except ImportError:
-    UNDO_ICON = "fa6s.undo"
+    UNDO_ICON = "fa6-solid:undo"
 
 FIXTURES = Path(__file__).parent / "fixtures"
 
@@ -113,7 +113,7 @@ def build_app(name: str = "complete_test_app") -> FullApp:
         Action(
             id=Commands.COPY,
             title="Copy",
-            icon="fa6s.copy",
+            icon="fa6-solid:copy",  # iconify font style works too
             callback=app.mocks.copy,
             menus=[{"id": Menus.EDIT, "group": "2_copy_paste"}],
             keybindings=[{"primary": KeyMod.CtrlCmd | KeyCode.KeyC}],
@@ -131,7 +131,7 @@ def build_app(name: str = "complete_test_app") -> FullApp:
             id=Commands.REDO,
             title="Redo",
             tooltip="Redo it!",
-            icon="fa6s.rotate_right",
+            icon="fa6-solid:rotate-right",
             enablement="allow_undo_redo",
             callback="fake_module:run_me",  # this is a function in fixtures
             keybindings=[{"primary": "Ctrl+Shift+Z"}],
diff --git a/tests/test_qt/test_qactions.py b/tests/test_qt/test_qactions.py
index 33079e1..f18392c 100644
--- a/tests/test_qt/test_qactions.py
+++ b/tests/test_qt/test_qactions.py
@@ -5,8 +5,6 @@
 from app_model.types import Action, MenuItem, ToggleRule
 
 if TYPE_CHECKING:
-    pass
-
     from app_model import Application
     from conftest import FullApp