--- old/src/java.base/share/classes/java/time/chrono/ChronoLocalDateImpl.java	2019-08-27 17:28:36.346324386 -0700
+++ new/src/java.base/share/classes/java/time/chrono/ChronoLocalDateImpl.java	2019-08-27 17:28:36.142324386 -0700
@@ -146,6 +146,7 @@
     /**
      * Serialization version.
      */
+    @java.io.Serial
     private static final long serialVersionUID = 6282433883239719096L;
 
     /**