diff --git a/Changelog.md b/Changelog.md
index d796bf158..b9da51dbb 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -4,6 +4,14 @@ Noteworthy changes to the agent are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.1] - 2024-4-19
+### Fixes
+- [NR-259467](https://new-relic.atlassian.net/browse/NR-259467) Fix issue of nested event generation from CSEC's agent itself
+
+### Changes
+- [NR-256459](https://new-relic.atlassian.net/browse/NR-256459) Exclude JAX RS 4.0.0-M2 version from Instrumentation 
+- [NR-256461](https://new-relic.atlassian.net/browse/NR-256461) Exclude mssql-jdbc version 12.7.0 from Instrumentation [PR-227](https://github.com/newrelic/csec-java-agent/pull/227)
+
 ## [1.2.0] - 2024-3-28
 ### Changes
 - Json Version bump to 1.2.0 due to [NR-235776](https://new-relic.atlassian.net/browse/NR-235776) implementation.
diff --git a/gradle.properties b/gradle.properties
index 4fa7e073f..1515da4a9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # The agent version.
-agentVersion=1.2.0
+agentVersion=1.2.1
 jsonVersion=1.2.0
 # Updated exposed NR APM API version.
 nrAPIVersion=8.4.0