To update all the dependencies in your package.json file to their latest version, you can use the npm install command with the --save flag or the --save-dev flag, depending on whether you want to update the dependencies that are required for your project to run
(--save) or the dependencies that are only needed for development (--save-dev).

Here's an example of how you can use the npm install command to update all the dependencies in your package.json file to their latest version:

npm install --save


This will update all the dependencies listed in the dependencies section of your package.json file to their latest version and save the new versions to your package.json file.

You can also update only a specific dependency by specifying the package name after the --save flag, like this:

npm install --save <package-name>


This will update the specified package to its latest version and save the new version to your package.json file.

Note: Only use --save-dev flag if you want to update the dependencies that are only needed for development instead of the --save flag.