On 12 January 2017, Giroud, alongside teammates Francis Coquelin and Laurent Koscielny signed a new long-term contract with Arsenal. During the 2017 FA Cup Final against Chelsea at Wembley, Giroud came on in the 78th minute with the score 1–1, and a minute later he delivered an assist for Aaron Ramsey to score the winning goal which saw Arsenal lift the Cup for a record-breaking thirteenth time. On 28 September 2017, during Arsenal's Europa League group game away to BATE Borisov, Giroud scored his 100th goal for the club in a 4–2 victory.