The eighth season is scheduled to premiere in June.
"'Homeland' has been a game-changing series for Showtime, as provocative about the world we live in as it is prescient," David Nevins, president and chief executive officer of Showtime Networks Inc., said in a statement Monday.
He added: "This project, arriving right at the beginning of my Showtime tenure thanks to Alex Gansa and Howard Gordon, and brought to life by a remarkable cast led by Claire Danes and Mandy Patinkin, is a richly written character study that is now ready for its natural conclusion."
"Viewers will be rewarded by the way Alex brings 'Homeland' home."
Patinkin is up for a Best Supporting Actor in a Drama Emmy for his work on the show.
The cable network announced last month that it is wrapping up another long-running show -- "The Affair" -- with its upcoming fifth season.
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The final mission starts June 2019. #Homeland #Showtime pic.twitter.com/6xGM4LCM50- Homeland (@SHO_Homeland) August 6, 2018
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