diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 9048d98352d..25b14939a3d 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -146,6 +146,25 @@ Other Changes
 
 * SOLR-14169: Fix 20 Resource Leak warnings in SolrJ's apache/solr/common (Andras Salamon via Tomás Fernández Löbbe)
 
+==================  8.4.1 ==================
+
+Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
+
+Versions of Major Components
+---------------------
+Apache Tika 1.19.1
+Carrot2 3.16.0
+Velocity 2.0 and Velocity Tools 3.0
+Apache ZooKeeper 3.5.5
+Jetty 9.4.19.v20190610
+
+
+Bug Fixes
+----------------------
+
+* SOLR-14165: SolrResponse serialVersionUID has changed in a backward incompatible way (Andy Webb via noble)
+
+
 ==================  8.4.0 ==================
 
 Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/SolrResponse.java b/solr/solrj/src/java/org/apache/solr/client/solrj/SolrResponse.java
index 7abde81fa49..de2b2fe6607 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/SolrResponse.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/SolrResponse.java
@@ -16,12 +16,6 @@
  */
 package org.apache.solr.client.solrj;
 
-import org.apache.solr.common.MapWriter;
-import org.apache.solr.common.SolrException;
-import org.apache.solr.common.SolrException.ErrorCode;
-import org.apache.solr.common.util.NamedList;
-import org.apache.solr.common.util.SuppressForbidden;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -29,6 +23,12 @@ import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
 
+import org.apache.solr.common.MapWriter;
+import org.apache.solr.common.SolrException;
+import org.apache.solr.common.SolrException.ErrorCode;
+import org.apache.solr.common.util.NamedList;
+import org.apache.solr.common.util.SuppressForbidden;
+
 
 /**
  * 
@@ -37,6 +37,9 @@ import java.io.Serializable;
  */
 public abstract class SolrResponse implements Serializable, MapWriter {
 
+  /** make this compatible with earlier versions */
+  private static final long serialVersionUID = -7931100103360242645L;
+
   /** Elapsed time in milliseconds for the request as seen from the client. */
   public abstract long getElapsedTime();