Reflecting on the new deal, Gabriel expressed immense pride and optimism about his future with the club.
"I arrived here as a young player and after almost five years, I’m so happy and I’ve learned a lot," said Gabriel. "I’m so proud of myself, it’s an amazing journey, and I’m so happy to continue it. I hope I win some trophies with this club, because I love this club and my family loves the club, too.
"Arsenal is an amazing club and I’m so proud to sign a new contract. I love this club, I love the supporters, my teammates, I love this stadium. I’m so proud and thank you for all the support. We continue together for the future."