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Today's software development methodologies are equipped with a plethora of methods and techniques for business process engineering and Requirements Engineering. However, heavy investments in IT have not brought forth expected results. What seems to be lacking is a systematic approach that consolidates both disciplines to gain a synergistic effect. To address this challenge we extend Use-Case Driven Approach (UCDA) by binding use case models with business process models. Our approach begins with comprehending the business processes and creating their model. Then, it takes the stakeholders through identifying improvement opportunities in the processes and selecting these processes that are supposed to be computer-aided. Finally, system requirements are derived from the process model.