Google Chrome should eventually update itself to the latest version, but you can accelerate that update to ensure you have the latest version now. To do so, in Chrome, click the 3 dots at the upper right to bring up the Chrome menu. Select Help, then About. You'll see a message showing Chrome now updating or that you have the latest version. This technique also shows you the version of Chrome that you are running.
Here's the menu choice, showing the 3 dot (ellipses) and the menu choices:
Google may require that you restart the browser to complete an update, which you can do at your convenience or immediately by clicking the Relaunch button