The field of academic librarianship is constantly shifting and librarians need to make sure they are prepared for these changes. The goal of this article is to describe the importance of professional development (PD), explain the crucial role library administrators' serve in supporting PD, present characteristics of PD best practices, and offer examples of PD models that incorporate best practices. Given the documented benefits of PD, library administrators need to actively support and encourage librarians to engage in these activities.