diff --git a/CHANGES.md b/CHANGES.md
index 89a6559..ad6f66d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -34,6 +34,33 @@ last argument is the version to search JIRA with.
 DO NOT REMOVE THIS MARKER; FOR INTERPOLATING CHANGES!-->
 # HBASE Changelog
 
+## Release thirdparty-3.4.1 - Unreleased (as of 2020-11-13)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25262](https://issues.apache.org/jira/browse/HBASE-25262) | [hbase-thirdparty] Update jetty version in hbase-thirdparty |  Major | dependencies, hbase-thirdparty |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25270](https://issues.apache.org/jira/browse/HBASE-25270) | [hbase-thirdparty] Generate CHANGES.md and RELEASENOTES.md for 3.4.1 |  Major | thirdparty |
+| [HBASE-25269](https://issues.apache.org/jira/browse/HBASE-25269) | [hbase-thirdparty] Set version as 3.4.1 in prep for first RC |  Major | thirdparty |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25265](https://issues.apache.org/jira/browse/HBASE-25265) | [hbase-thirdparty] Bump dependencis in hbase-thirdparty |  Major | dependencies, hbase-thirdparty |
+| [HBASE-25264](https://issues.apache.org/jira/browse/HBASE-25264) | [hbase-thirdparty] Update jersey version in hbase-thirdparty |  Major | dependencies, hbase-thirdparty |
+
+
 ## Release thirdparty-3.4.0 - Unreleased (as of 2020-08-17)
 
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index a33cd29..08e6fd2 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -20,6 +20,28 @@
 # Be careful doing manual edits in this file. Do not change format
 # of release header or remove the below marker. This file is generated.
 # DO NOT REMOVE THIS MARKER; FOR INTERPOLATING CHANGES!-->
+# HBASE  thirdparty-3.4.1 Release Notes
+
+These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.
+
+
+---
+
+* [HBASE-25265](https://issues.apache.org/jira/browse/HBASE-25265) | *Major* | **[hbase-thirdparty] Bump dependencis in hbase-thirdparty**
+
+netty 4.1.51.Final -\> 4.1.53.Final
+protobuf 3.12.2 -\> 3.13.0
+guava 29.0-jre -\> 30.0-jre
+
+
+---
+
+* [HBASE-25264](https://issues.apache.org/jira/browse/HBASE-25264) | *Major* | **[hbase-thirdparty] Update jersey version in hbase-thirdparty**
+
+Update jersey version 2.31 -\> 2.32
+
+
+
 # HBASE  thirdparty-3.4.0 Release Notes
 
 These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.