Apple Store Upload error UIWebView are no longer accepted

Hello,

I am getting error while deploying latest mobile app version in Apple. There was no issue with version 18.0.534 which i have uploaded in March 2020. The problem version is 21.0.546. I did tried with latest SDK 22.0.548-1.4.2-2, still getting same error.

ITMS-90809: Deprecated API Usage - New apps that use UIWebView are no longer accepted. Instead, use WKWebView for improved security and reliability. Learn more (https://developer.apple.com/documentation/uikit/uiwebview).