title: How to increase version in lerna?
body: <p>I want to increase the version in my project (without publish) just by command.</p>
  
  <p>So I try <code>lerna version 1.0.1</code> or <code>lerna version</code> and the version is stay the same. (1.0.0), in <code>lerna.json</code> and <code>package.json</code>.</p>
  
  <p>How to make it work? I need a lerna command that increase the version in <code>lerna.json</code> and <code>package.json</code>.</p>