Having won six successive league matches, Everton are making a late surge towards a place in next season's Champions League.
He became the second Everton defender to sign a new deal this week after left back Leighton Baines penned a long-term contract.
Everton have injury doubts over Ross Barkley, Leighton Baines, Phil Jagielka and Sylvain Distin for Saturday's home game.
Everton are now three points adrift of the two Manchester clubs and seven behind Chelsea.
Liverpool came from behind to secure their place in the FA Cup final after beating Everton 2-1.
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