How to upgrade InfluxDB 1.2 to 1.5

I am using InfluxDB 1.2, which is integrated with Grafana 4.2.0. I wish to upgrade both the system now.

Please guide how to upgrade Influx DB 1.2 to 1.5

Thanks,
Vinuj

There is a guide on upgrading depending which version your on and where you’re upgrading too