The term Industry 4.0 was introduced at the Hannover (Germany) trade fair for the first time in 2011. Since then, several initiatives were proposed in different countries, and its benefits are generally recognized by researchers and practitioners. The Industry 4.0 paradigm is more and more adopted by companies belonging to different industries, among which the agrifood one. This industry has already been grappling with a range of new technologies for a few years now, some already implemented by a few players in the supply chain, others that are in the process of being developed. The latest historical events such as COVID-19 and trends such as sustainability, are all spurring the search for innovative solutions to respond to current problems and future challenges. The objective of this paper is to explore the various applications of 4.0 technologies in the agrifood sector with the aim of understanding what are the new trends and changes in the sector. To reach this objective, we carried out a systematic literature review of the extant literature, to derive an overview of the issues in the industry. The review allowed us to identify the trends and technologies that respond to the challenges the industry is facing.