Go to system settings>general>software update. There should be an update as Ventura 13.5 is released a few weeks ago.
if you cannot find the update, please boot your Mac in the safe mode and search for the update at system settings>general>software update
For Macs with apple silicon
- On your Mac, choose Apple menu > Shut Down.
- Wait for your Mac to shut down completely. A Mac is completely shut down when the screen is black and any lights (including in the Touch Bar) are off.
- Press and hold the power button on your Mac until “Loading startup options” appears.
- Select a volume.
- Press and hold the Shift key, then click Continue in Safe Mode.
For Intel Macs
- Turn on or restart your Mac, then immediately press and hold the Shift key until you see the login window.
- Log in to your Mac.
- You might be asked to log in again.
- On either the first or second login window, you should see “Safe Boot” in the menu bar.