title: Cannot update React-native
body: <p>After using react-native upgrade, as suggested in <a href="https://facebook.github.io/react-native/docs/0.60/upgrading" rel="nofollow noreferrer">https://facebook.github.io/react-native/docs/0.60/upgrading</a> I got:</p>
  
  <blockquote>
    <p>info No version passed. Fetching latest...
    info Fetching diff between v0.59.10 and v0.61.2...
    error Failed to fetch diff for react-native@0.61.2. Maybe it's not released yet?
    info For available releases to diff see: <a href="https://github.com/react-native-community/rn-diff-purge#version-changes" rel="nofollow noreferrer">https://github.com/react-native-community/rn-diff-purge#version-changes</a></p>
  </blockquote>
  
  <p>Changing to a specific version (react-native upgrade 0.61.0-rc.0) do not help.</p>
  
  <p>Enviroment:</p>
  
  <pre><code>react-native -v
  react-native-cli: 2.0.1
  react-native: 0.59.10
  
  npm -v 6.12.0
  
  node -v v10.16.0
  </code></pre>
  
  <p>system: windows 10</p>