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< h1 > < a href = "../api/npm-update.html" > npm-update< / a > < / h1 > < p > Update a package< / p >
< h2 id = "synopsis" > SYNOPSIS< / h2 >
< pre > < code > npm.commands.update(packages, callback)
< / code > < / pre > < h1 id = "description" > DESCRIPTION< / h1 >
< p > Updates a package, upgrading it to the latest version. It also installs any missing packages.< / p >
< p > The ' packages' argument is an array of packages to update. The ' callback' parameter will be called when done or when an error occurs.< / p >
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< p id = "footer" > npm-update — npm@1.4.14< / p >