1# Upgrading dependencies 2 3Notes on upgrading various backend dependencies. 4 5# Protobuf 6 7When upgrading the [protobuf](http://github.com/golang/protobuf) library in Grafana and the plugin SDK, 8you typically also want to upgrade your protobuf compiler toolchain and re-compile protobuf files: 9 10``` 11cd $GRAFANA 12make protobuf 13cd $GRAFANA_PLUGIN_SDK_GO 14mage protobuf 15``` 16 17After upgrading the protobuf dependency in Grafana and the plugin SDK, it might be wise to test that things still work, 18before making corresponding PRs: 19 20- Test a plugin built with upgraded SDK on upgraded Grafana 21- Test a plugin built with non-upgraded SDK on upgraded Grafana 22- Test a plugin built with upgraded SDK on non-upgraded Grafana 23