Chrome - disabling Auto update

Have anyone worked with disabling google chrome auto update.

Chrome has build in policies and they is a quite easy description on how to disable auto update - but even I do it, chrome still is updating

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>updatePolicies</key>
        <dict>
          <key>global</key>
          <dict>
            <key>UpdateDefault</key>
            <integer>3</integer>
            <key>DownloadPreference</key>
            <string>cacheable</string>
          </dict>
          <key>com.google.Chrome</key>
          <dict>
            <key>UpdateDefault</key>
            <integer>3</integer>
            <key>TargetVersionPrefix</key>
            <string>62.</string>
          </dict>
        <key>com.google.drivefs</key>
          <dict>
            <key>UpdateDefault</key>
            <integer>3</integer>
           </dict>
        </dict>
</dict>
</plist>