diff --git a/crowd_anki/importer/anki_importer.py b/crowd_anki/importer/anki_importer.py
index 01ef1f3..52e6ca3 100644
--- a/crowd_anki/importer/anki_importer.py
+++ b/crowd_anki/importer/anki_importer.py
@@ -89,8 +89,13 @@ def read_import_config(directory_path, deck_json):
                 import_dict = yaml.full_load(meta_file)
 
         import_dialog = ImportDialog(deck_json, import_dict)
-        if import_dialog.exec_() == QDialog.Rejected:
-            return None
+        # Qt5/Qt6 compat
+        try:
+            if import_dialog.exec() == QDialog.DialogCode.Rejected:
+                return None
+        except AttributeError:
+            if import_dialog.exec_() == QDialog.Rejected:
+                return None
 
         return import_dialog.final_import_config
 
diff --git a/crowd_anki/importer/import_dialog.py b/crowd_anki/importer/import_dialog.py
index 1211afa..2c6142f 100644
--- a/crowd_anki/importer/import_dialog.py
+++ b/crowd_anki/importer/import_dialog.py
@@ -95,15 +95,24 @@ def setup_personal_field_selection(self):
 
         def add_header(name):
             heading_ui = QListWidgetItem(name)
-            heading_ui.setFlags(Qt.ItemIsEnabled)
+            # Qt5/Qt6 compat
+            try:
+                heading_ui.setFlags(Qt.ItemFlag.ItemIsEnabled)
+            except AttributeError:
+                heading_ui.setFlags(Qt.ItemIsEnabled)
             heading_ui.setSizeHint(QSize(self.form.list_personal_fields.width(), 30))
             heading_ui.setFont(heading_font)
             self.form.list_personal_fields.addItem(heading_ui)
 
         def add_field(name, is_personal) -> QListWidgetItem:
             field_ui = QListWidgetItem(name)
-            field_ui.setCheckState(Qt.Checked if is_personal else Qt.Unchecked)
-            field_ui.setFlags(Qt.ItemIsEnabled | Qt.ItemIsUserCheckable)
+            # Qt5/Qt6 compat
+            try:
+                field_ui.setCheckState(Qt.CheckState.Checked if is_personal else Qt.CheckState.Unchecked)
+                field_ui.setFlags(Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsUserCheckable)
+            except AttributeError:
+                field_ui.setCheckState(Qt.Checked if is_personal else Qt.Unchecked)
+                field_ui.setFlags(Qt.ItemIsEnabled | Qt.ItemIsUserCheckable)
             self.form.list_personal_fields.addItem(field_ui)
             return field_ui
 
@@ -121,7 +130,11 @@ def setup_misc(self):
         self.form.import_message_textbox.setText(self.import_defaults.import_message)
 
         if self.import_defaults.suggest_tag_imported_cards:
-            self.form.cb_tag_cards.setCheckState(Qt.Checked)
+            # Qt5/Qt6 compat
+            try:
+                self.form.cb_tag_cards.setCheckState(Qt.CheckState.Checked)
+            except AttributeError:
+                self.form.cb_tag_cards.setCheckState(Qt.Checked)
             self.form.cb_tag_cards.setText("Tag Cards (Suggested by Deck Maintainer!)")
         # else:
         # set as default from config settings
@@ -131,7 +144,11 @@ def setup_misc(self):
 
     def setup_deck_part_checkboxes(self):
         def set_checked_and_text(checkbox, text, count, checked: bool = True):
-            checkbox.setCheckState(Qt.Checked if checked else Qt.Unchecked)
+            # Qt5/Qt6 compat
+            try:
+                checkbox.setCheckState(Qt.CheckState.Checked if checked else Qt.CheckState.Unchecked)
+            except AttributeError:
+                checkbox.setCheckState(Qt.Checked if checked else Qt.Unchecked)
             if count is not None:
                 text = f"{text}: {'{:,}'.format(count)}"
             checkbox.setText(text)
@@ -159,5 +176,10 @@ def read_import_config(self):
     def read_personal_fields(self, config):
         for model_name, fields_dict in self.personal_field_ui_dict.items():
             for field_name, widget_item in fields_dict.items():
-                if widget_item.checkState() == Qt.Checked:
-                    config.add_field(model_name, field_name)
+                # Qt5/Qt6 compat
+                try:
+                    if widget_item.checkState() == Qt.CheckState.Checked:
+                        config.add_field(model_name, field_name)
+                except AttributeError:
+                    if widget_item.checkState() == Qt.Checked:
+                        config.add_field(model_name, field_name)