Can't install Ghost locally because of Node version

I’m trying to install Ghost locally on a Mac following the official guide, but it’s complaining about the Node version. The documentation says that Node v14 is the recommended version, but when when I run node --version, I get v14.15.1, which sure seems right. Shere’s the output I get when trying to install:

ghost install local
✔ Checking system Node.js version - found v14.15.1
✔ Checking current folder permissions
✔ Checking memory availability
✔ Checking free space
✔ Checking for latest Ghost version
✔ Setting up install directory
✖ Downloading and installing Ghost v4.6.2
A SystemError occurred.

Message: Ghost v4.6.2 is not compatible with the current Node version.

Debug Information:
    OS: macOS, v11.2.3
    Node Version: v14.15.1
    Ghost-CLI Version: 1.17.3
    Environment: development
    Command: 'ghost install local'

Seems like ghost-cli is the most current version as well; what am I missing?

Please see this post:

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