The article discusses the need to train workers for Industry 4.0 digital companies. It compares the technologies used in Industry 3.0 and Industry 4.0 factories, highlighting the shift towards automation and digital systems. Workers today lack the skills needed for digital companies with cyber and physical systems. Industry 4.0 factories aim to automate manufacturing processes using cyber and physical systems. These systems eliminate the need for human intervention and paper-based processes. The preparation of Industry 4.0 specialists should start now to keep up with technological advancements in production systems.