--- a/eric6/WebBrowser/Network/SendRefererWhitelistDialog.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/WebBrowser/Network/SendRefererWhitelistDialog.py	Tue Mar 02 17:17:09 2021 +0100
@@ -32,7 +32,8 @@
             Preferences.getWebBrowser("SendRefererWhitelist"), self)
         self.__model.sort(0)
         self.__proxyModel = QSortFilterProxyModel(self)
-        self.__proxyModel.setFilterCaseSensitivity(Qt.CaseInsensitive)
+        self.__proxyModel.setFilterCaseSensitivity(
+            Qt.CaseSensitivity.CaseInsensitive)
         self.__proxyModel.setSourceModel(self.__model)
         self.whitelist.setModel(self.__proxyModel)
         
@@ -51,7 +52,7 @@
             self,
             self.tr("Send Referer Whitelist"),
             self.tr("Enter host name to add to the whitelist:"),
-            QLineEdit.Normal)
+            QLineEdit.EchoMode.Normal)
         if ok and host != "" and host not in self.__model.stringList():
             self.__model.insertRow(self.__model.rowCount())
             self.__model.setData(