China increased the central rate for the RMB by the largest amount in a decade on Monday.
The country adjusted the mid-rate of the Chinese currency upwards by 0.54 percent against the US dollar.
China now allows the currency to trade up or down 2 percent from the centrally set daily rate on the domestic foreign exchange market.
The authorities moved the yuan almost 5 percent lower in one week in August.
This was part of broader reforms aimed at shifting towards a more flexible exchange rate.
The move also comes as the country seeks to promote the yuan as a global reserve currency alongside the dollar.