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  3. npm ci rejects a lockfile made by a newer npm

npm ci rejects a lockfile made by a newer npm

Lockfiles from npm 11 need Node 24, because the npm bundled with older Node versions can reject them.

Last updated November 9, 2026

The error

npm ci fails with a lockfile created by npm 11

Why it happens

Lockfiles from npm 11 need Node 24, because the npm bundled with older Node versions can reject them.

How to fix it

Use Node 24, which is the default unless engines.node says otherwise.

ezhst build set --node 24
ezhst redeploy

Still stuck

Read the build log and runtime logs, or browse all errors.

Start for free

Install the skill, choose Global or Local, then tell your agent to deploy. No credit card, no config files.

npx ezhst skill install