diff --git a/src/gui_qt/io/fcbatchreader.py b/src/gui_qt/io/fcbatchreader.py
index 4f678b5..664394c 100644
--- a/src/gui_qt/io/fcbatchreader.py
+++ b/src/gui_qt/io/fcbatchreader.py
@@ -28,8 +28,8 @@ class QFCReader(QtWidgets.QDialog, Ui_FCEval_dialog):
 
     def eventFilter(self, src: QtCore.QObject, evt: QtCore.QEvent) -> bool:
         # intercept key press in listwidget to allow deletion with Del
-        if evt.type() == QtCore.QEvent.KeyPress:
-            if evt.key() == QtCore.Qt.Key_Delete:
+        if evt.type() == QtCore.QEvent.Type.KeyPress:
+            if evt.key() == QtCore.Qt.Key.Key_Delete:
                 self.listWidget.takeItem(self.listWidget.currentRow())
                 return True
 
@@ -41,21 +41,25 @@ class QFCReader(QtWidgets.QDialog, Ui_FCEval_dialog):
 
     @QtCore.pyqtSlot(int, name='on_region_checkBox_stateChanged')
     def use_region(self, state: int):
-        self.start_lineedit.setEnabled(state == QtCore.Qt.Checked)
-        self.stop_lineedit.setEnabled(state == QtCore.Qt.Checked)
+        self.start_lineedit.setEnabled(state == QtCore.Qt.CheckState.Checked)
+        self.stop_lineedit.setEnabled(state == QtCore.Qt.CheckState.Checked)
 
     @QtCore.pyqtSlot(name='on_file_pushbutton_clicked')
     @QtCore.pyqtSlot(name='on_dir_pushbutton_clicked')
     def get_input(self):
         if self.sender() == self.file_pushbutton:
-            infiles, _ = QtWidgets.QFileDialog.getOpenFileNames(caption='Select HDF files',
-                                                                directory=str(self.path),
-                                                                filter='HDF files (*.h5)')
+            infiles, _ = QtWidgets.QFileDialog.getOpenFileNames(
+                caption='Select HDF files',
+                directory=str(self.path),
+                filter='HDF files (*.h5)',
+            )
 
         else:
-            infiles = QtWidgets.QFileDialog.getExistingDirectory(caption='Select input directory',
-                                                                 directory=str(self.path),
-                                                                 options=QtWidgets.QFileDialog.ShowDirsOnly)
+            infiles = QtWidgets.QFileDialog.getExistingDirectory(
+                caption='Select input directory',
+                directory=str(self.path),
+                options=QtWidgets.QFileDialog.ShowDirsOnly,
+            )
             infiles = [infiles] if infiles else infiles
 
         if infiles:
@@ -65,9 +69,12 @@ class QFCReader(QtWidgets.QDialog, Ui_FCEval_dialog):
 
     @QtCore.pyqtSlot(name='on_savebutton_clicked')
     def save_path(self):
-        outfile = QtWidgets.QFileDialog.getExistingDirectory(self, caption='Select directory',
-                                                             directory=self.label.text(),
-                                                             options=QtWidgets.QFileDialog.ShowDirsOnly)
+        outfile = QtWidgets.QFileDialog.getExistingDirectory(
+            self,
+            caption='Select directory',
+            directory=self.label.text(),
+            options=QtWidgets.QFileDialog.ShowDirsOnly,
+        )
         if outfile:
             self.label.setText(outfile)
 
@@ -110,6 +117,6 @@ class QFCReader(QtWidgets.QDialog, Ui_FCEval_dialog):
 
         grp = ''
         if not self.graph_checkbox.isChecked():
-            grp = self.graph_comboBox.currentData(QtCore.Qt.UserRole)
+            grp = self.graph_comboBox.currentData(QtCore.Qt.ItemDataRole.UserRole)
 
         self.data_read.emit(ret_vals, grp)