But a jubilant Gatland said England will need a new attitude .
A jubilant Gatland 's side 's thrilling 28 - 25 win has made them favourites to qualify for the last eight at England 's expense .
But a jubilant Gatland , whose side 's thrilling 28 - 25 win has made them favourites to qualify for the last eight at England 's expense , said England will need a new attitude .