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This page describes how to upgrade the Memcached version of a Memorystore for Memcached instance. For a list of available versions, seeSupported versions. For more information about instance behavior during an upgrade operation, seeAbout upgrading the Memcached version of an instance.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Upgrade the Memcached version of an instance\n\nThis page describes how to upgrade the Memcached version of a Memorystore for Memcached instance. For a list of available versions, see [Supported versions](/memorystore/docs/memcached/supported-versions). For more information about instance behavior during an upgrade operation, see [About upgrading the Memcached version of an instance](/memorystore/docs/memcached/about-upgrading-version).\n| **Note:**\n| - Upgrading an instance is irreversible. You cannot downgrade the Memcached version of a Memorystore for Memcached instance.\n| - Upgrading the Memcached instance causes a full cache flush on the instance.\n| - Version upgrade is only available by using the gcloud CLI.\n\nUpgrading the instance version\n------------------------------\n\n### Console\n\n1. Go to the **Memorystore for Memcached** page in the Google Cloud console\n\n [Memorystore for Memcached](https://console.cloud.google.com/memorystore/memcached/instances)\n\n2. Click the instance ID of the instance you want to upgrade\n\n3. In the **Instance properties** section next to **Version** , click **UPGRADE**\n\n4. Select the Memcached version to upgrade to\n\n5. Click the **Submit** button\n\n### gcloud\n\nTo upgrade the Memcached version of your instance, run the `upgrade` command: \n\n```\ngcloud memcache instances upgrade instance-id --memcached-version=memcached-version --region=region\n```\n\nReplace the following:\n\n- \u003cvar translate=\"no\"\u003einstance-id\u003c/var\u003e is the ID of your instance.\n\n- \u003cvar translate=\"no\"\u003ememcached-version\u003c/var\u003e is your desired Memcached version for your\n instance. The accepted values is `1.6.15`.\n\n- \u003cvar translate=\"no\"\u003eregion\u003c/var\u003e is the region where you want to deploy your instance."]]
