The minimum wage has slowly been increasing since 2014. Come January 1st, 2018 the final increase will come into play. 

A law passed in 2014 is responsible for getting the minimum wage increased by 25%. Starting in January, 35 cents will be added to Michigan worker's pay to bring it up to $9.25 per hour.

Starting next year, increases will be based on inflation each year. However, increases will also take into account high unemployment rates.

Source: WNEM TV 5