The Merseyside club have activated the £48m release clause - which comes into play at the end of next summer - in his contract.
The Reds ideally wanted to secure his signing this summer and had numerous bids rejected for the RB Leipzig midfielder.
But the Guinea international will link up with the Anfield team next year - possibly as a replacement for Philippe Coutinho.
It’s been a tough summer in the transfer market for Jurgen Klopp, but it seems as though things may be beginning to click into place.
And Liverpool supporters have taken to Twitter to praise the club for securing the future signing of Keita.
Click through the gallery above to see some of the best reaction from Liverpool fans to the signing of Naby Keita.
