This article goes a good job of refreshing the topic of personas and journey maps and integrating them into your design work.

Most personas and journey maps are dead shortly after arrival. A common reason why these documents are abandoned is that they eventually no longer represent the current customer or the latest business objectives. This article describes the common pitfalls associated with these projects and offers practical advice that your team can use to ensure a healthy long life for your personas and journey maps.

Source: Keeping Personas and Journeys Engaging and Relevant | UX Booth