De Gea has been heavily linked with a move to Real Madrid to replace Keylor Navas the No.1 at the Bernabeu.
However, Manchester United have now qualified for next season's Champions League after beating Ajax 2-0 in the Europa League final on Wednesday.
And that seems to have changed the Red Devils' stance over De Gea's future at Old Trafford.
As well as competing in Europe's elite club competition next term, De Gea, along with other Old Trafford stars, will now be earning a higher wage.
And that puts United in a better position than when Madrid first wanted to sign the goalkeeper back in 2015.
"I think it has strengthened (being in the Champions League) their hand and there are a couple of reasons for that," Sky Sports journalist James Cooper said.
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I think it would take a big, big sizeable offer from Real Madrid to even make Manchester United think about selling David de Gea
James Cooper on David de Gea to Man Utd
"If you look at the last time Real Madrid came calling, the dynamic was very different then. He had a year left on his contract, there were rumblings and of course Manchester United weren't in the Champions League, they weren't at the top table in Europe.
"They are now, he has two years left on his contract plus the option of another year and seems settled in Manchester United.
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"I think there is no doubting that Manchester United are relaxed about the situation because of that change in dynamic.
"If I talk about contract and money, United being in the Champions League means all their players are basically back up to their usual salaries, there is no Europa League hit on their salaries.
"Manchester United's players, well-rewarded they are, are even better rewarded because they go back on to the salary that has taken into account Champions League football."
James Cooper says David de Gea may not join Real Madrid as his Man Utd wage has risen
Cooper says United have looked at other options to replace De Gea but believes they are now confident he will stay.
"All those things considered, I think Manchester United are confident they can retain the services of David de Gea," he added.
"They've done their due diligence, there are other options and they have been scouring the market both at home and abroad.
"But the power perhaps lies more at Manchester United, not solely because of the Champions League qualification, but that is a big tick in the box, more so because of the contract situation that he has two years and an extra year.
"I think it would take a big, big sizeable offer from Real Madrid to even make Manchester United think about selling David de Gea."