Across the world, the invent of Internet of things is rapidly growing, increasing the interconnectedness between devices and people through the means of the internet. As the Internet of things ecosystem evolves through an increasing number of users, there is a wide range of requirements that needs to be met. The 5G network is expected to massively improve or expand IoT security, greatly increase speed, boost cellular operation with increased bandwidth while also resolving several network challenges faced in the previous generations of mobile networks. Along this article, the advent of 5G which is proposed to be fully operational by 2020 would be discussed extensively and its interconnection with Internet of things would be explained as it would be the technology on which IoT would run.