The Algerian left-back is approaching the final 12 months of his current deal and Napoli are desperately trying to tie him down to fresh terms.
If they fail to do so, however, it has been suggested that they will be forced to cash in on him this summer with both Arsenal and Chelsea very keen.
And the Premier League duo have received a boost after it was reported in Italy that the 26-year-old has turned his nose up at the latest proposal.
Calciomercato has claimed that Ghoulam wants £2.1m per year but Napoli only managed to offer around £1.