In a large organization, the IT department is tasked with managing the identity lifecycle of employees. They have implemented a role-based access control (RBAC) system to streamline access management. An employee, Jane, is promoted from a junior analyst to a senior analyst, which requires a change in her access permissions. The organization follows a strict identity lifecycle management process that includes provisioning, modifying, and deprovisioning access rights. What is the most critical step that should be taken to ensure Jane\'s access aligns with her new role while maintaining compliance with security policies?