--- old/src/java.base/share/classes/java/lang/RuntimePermission.java	2019-08-27 17:27:33.502324386 -0700
+++ new/src/java.base/share/classes/java/lang/RuntimePermission.java	2019-08-27 17:27:33.266324386 -0700
@@ -400,6 +400,7 @@
 
 public final class RuntimePermission extends BasicPermission {
 
+    @java.io.Serial
     private static final long serialVersionUID = 7399184964622342223L;
 
     /**