Danny Guthrie feels Newcastle must look to build on their success if they are to remain a top-six side next season.
Alan Pardew's men have been one of the surprises of the season - still entertaining dreams of securing Champions League football after 33 games of the Premier League season.
But with the likes of Chelsea, Liverpool, Arsenal and Tottenham all likely to be making significant transfer moves in the summer, Guthrie knows that the next challenge is to keep up with their rivals.
The 25-year-old told the Newcastle Chronicle: "We will have to build in the summer.
"Every team gets stronger in the summer, so we will have to keep up.
"If we get a top-six finish then the next season is always important as you don't want to fall below the standards you have set."
Guthrie's own contract expires in the summer but the midfielder is due for talks over a new deal shortly.
And he feels the dressing room atmosphere at Newcastle has been one of the features of the club's success - despite several players not being able to speak English.
Guthrie added: "There's a good vibe around the changing room and a good spirit, as has been shown on the pitch.
"A couple of lads have come in who haven't spoken English, but they've been made to feel very welcome."