Previous reports have claimed they have wanted him since the summer, where they lost Neymar to PSG.
And Diario Gol say their support of Coutinho has not sat well with Dembele.
The France international has endured a rocky start to his Nou Camp career with injuries hampering his progress.
And his frustrations with the club appear to be boiling over.
GETTY
Barcelona news: Ousmane Dembele feels unsupported by Lionel Messi and Luis Suarez
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It is said he feels Suarez and Messi would both rather play with Coutinho than Dembele.
Yet whether manager Ernesto Valverde listens to their advice remains to be seen.
Dembele could find himself slipping further down the Barcelona pecking order if they land Antoine Griezmann in the summer.
Griezmann is on Valverde’s radar but any move to the Nou Camp is likely to see Dembele have to make do with a place on the bench.