--- a/eric6/WebBrowser/CookieJar/CookiesDialog.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/WebBrowser/CookieJar/CookiesDialog.py	Tue Mar 02 17:17:09 2021 +0100
@@ -19,8 +19,8 @@
     """
     Class implementing a dialog to show all cookies.
     """
-    DomainRole = Qt.UserRole + 1
-    CookieRole = Qt.UserRole + 2
+    DomainRole = Qt.ItemDataRole.UserRole + 1
+    CookieRole = Qt.ItemDataRole.UserRole + 2
     
     def __init__(self, cookieJar, parent=None):
         """
@@ -53,7 +53,8 @@
         """
         Private slot to resize the columns.
         """
-        self.cookiesTree.header().resizeSections(QHeaderView.ResizeToContents)
+        self.cookiesTree.header().resizeSections(
+            QHeaderView.ResizeMode.ResizeToContents)
         self.cookiesTree.header().setStretchLastSection(True)
     
     def __cookieDomain(self, cookie):