# Upgrade This example will deploy Logstash chart using an old chart version, then upgrade it. ## Usage * Add the Elastic Helm charts repo: `helm repo add elastic https://helm.elastic.co` * Deploy and upgrade Logstash chart with the default values: `make install` ## Testing You can also run [goss integration tests][] using `make test`. [goss integration tests]: https://github.com/elastic/helm-charts/tree/master/logstash/examples/upgrade/test/goss.yaml