Ring Alerts not making sound

My Ring App stopped making a sound when I get notifications, such as neighbor alerts. I still get a sound "someone is at your front door" if the doorbell is rung. But the other type notifications just come up on my lock screen, but no sound. It is an iPhone 6, latest version of iOS for that phone. All other sounds in other apps are working fine. I think the app updated very recently, so maybe it is a bug that needs to be fixed.