According to an official Playstation Blog post, a twelve-month membership will now cost $59.99 USD/$69.99 CAD, and a three-month membership will increase slightly to $24.99 USD/29.99 CAD. The month-to-month plan will change to $11.99 CAD but remain at $9.99 USD. 

This new change in pricing will be the service’s first ever price increase since launch in 2010. If you are a current member of PS+, the price changes will take effect if your membership renews on or after September 22. The blog post also states that if you do not with to continue your membership after the new price increase, to cancel your membership by turning off auto-renewal settings before September 22.