Action-Research is a research method broadly used in Information Systems. However, it requires improving its rigor and quality. To address this situation, several proposals have appeared, that give relevance to use Information Systems Action-Research through a vision of project management. This work is based on this vision by presenting a CMM-based maturity model to apply the project management practices in an incremental way with the aim of guaranteeing an improvement of the rigor and quality in Information Systems Action-Research projects.