--- old/src/java.base/share/classes/java/lang/Byte.java	2019-08-27 17:27:03.094324386 -0700
+++ new/src/java.base/share/classes/java/lang/Byte.java	2019-08-27 17:27:02.902324386 -0700
@@ -561,5 +561,6 @@
     public static final int BYTES = SIZE / Byte.SIZE;
 
     /** use serialVersionUID from JDK 1.1. for interoperability */
+    @java.io.Serial
     private static final long serialVersionUID = -7183698231559129828L;
 }