GitHub Actions is deprecating Node.js 20 support. Starting June 2, 2026, Node.js 24 will be the default runtime, and Node.js 20 will be fully removed from runners on September 16, 2026.
"Warning: Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v3. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/"
Our workflow is currently using several actions that run on Node versions below 24.
Fix
References
https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
GitHub Actions is deprecating
Node.js 20support. Starting June 2, 2026,Node.js 24will be the default runtime, andNode.js 20will be fully removed from runners on September 16, 2026."Warning: Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: actions/checkout@v3. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/"
Our workflow is currently using several actions that run on Node versions below 24.
Fix
actions/checkout@v3toactions/checkout@v6in all workflow files, which addsNode.js 24support (https://github.com/actions/checkout/releases)node-versionfrom16to24actions/setup-node@v3toactions/setup-node@v5in workflow files (https://github.com/actions/setup-node/releases)actions/setup-python@v4toactions/setup-python@v6in workflow files (https://github.com/actions/setup-python/releases)docker/build-push-action@v1todocker/build-push-action@v7(https://github.com/docker/build-push-action/releases)References
https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/