The cost of living in Jersey rose by 3.6% last month.
Retail Price Index (RPI) now stands at 168.8, reflecting rising living costs on the island.
It marks the greatest annual rate of inflation for almost six years.
The latest increase in the annual rate was primarily due to the rising costs of housing and food.
All of the other fourteen groups which are measured in RPI saw an increase, apart from 'Clothing & Footwear' and 'Leisure Goods' which saw a slight decrease.