src/java.base/share/classes/java/lang/annotation/IncompleteAnnotationException.java

@@ -37,10 +37,11 @@
  * @author  Josh Bloch
  * @see     java.lang.reflect.AnnotatedElement
  * @since 1.5
  */
 public class IncompleteAnnotationException extends RuntimeException {
+    @java.io.Serial
     private static final long serialVersionUID = 8445097402741811912L;
 
     private Class<? extends Annotation> annotationType;
     private String elementName;