Request@2.88.2 & har-validator@5.1.5 out of date

I’m currently on the Updating Local Packages lecture and the message I after using the command “npm i -g npm-check-updates”. I got the following warnings:

npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated har-validator@5.1.5: this library is no longer supported.

So I can’t use “npm-check-updates” as a command.

What other alternatives can I use?