--- title: "Upgrade VAST COSI Driver" slug: "upgrade-vast-cosi-driver-2-5" updated: 2026-10-28T02:14:43Z published: 2026-10-28T02:14:43Z canonical: "docs.vastdata.com/upgrade-vast-cosi-driver-2-5" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt > Use this file to discover all available pages before exploring further. # Upgrade VAST COSI Driver Complete these steps to upgrade VAST COSI Driver: 1. Refresh Helm repository information to see which VAST COSI Driver versions are available for deployment: ```plaintext helm repo update ``` 2. Update the VAST COSI Driver's Helm chart configuration file (`values.yaml`) to specify the target release of VAST COSI Driver: ```plaintext image:  csiVastPlugin:    repository:    tag:    imagePullPolicy: IfNotPresent ``` Where: - `<repo>` is the name of the VAST COSI Driver Helm repository. - `<new release>` is the VAST COSI Driver release to be upgraded to. For example: ```plaintext image:  csiVastPlugin:    repository: vastdataorg/csi    tag: v2.5.0    imagePullPolicy: IfNotPresent ``` 3. Run Helm upgrade: ```plaintext helm upgrade /vastcosi -f .yaml ``` Where: - `<old release>` is the VAST COSI Driver release to be upgraded from. - `<repo>` is the name of the VAST COSI Driver Helm repository. - `vastcosi` is the name of the VAST COSI Driver Helm chart. - `<filename>.yaml` is the Helm chart configuration file. 4. Verify the status of the new VAST COSI Driver chart release: ```plaintext helm ls ```