https://www.theguardian.com/technology/2022/jul/26/amazon-uk-to-charge-1-more-a-month-for-prime-service-from-september

Monthly subscription to increase by 12.5% to £8.99 in latest sign of rising delivery costs

Amazon is to increase the price of its monthly Prime subscription service by 12.5% – or £1 – to £8.99 from September in the latest sign that delivery costs are rising.