src/java.base/share/classes/javax/net/ssl/SSLPeerUnverifiedException.java

@@ -40,10 +40,11 @@
  * @author David Brownell
  */
 public
 class SSLPeerUnverifiedException extends SSLException
 {
+    @java.io.Serial
     private static final long serialVersionUID = -8919512675000600547L;
 
     /**
      * Constructs an exception reporting that the SSL peer's
      * identity has not been verified.