diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b91c03a97..918ee17014 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,8 +27,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Removed
 
 ### Fixed
-- Fixed an issue where `AwsSdk2Transport` would create a default `JacksonJsonpMapper` on every instantiation even if a mapper was already provided, which could cause issues with Jackson module resolution ([#1788](https://github.com/opensearch-project/opensearch-java/pull/1788))
-- Fixed the regression introduced in the OpenSearch OpenAPI spec ([#1794](https://github.com/opensearch-project/opensearch-java/pull/1794))
 
 ### Security
 
@@ -47,6 +45,23 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Security
 
+## [3.4.0] - 12/15/2025
+### Added
+
+### Dependencies
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+- Fixed an issue where `AwsSdk2Transport` would create a default `JacksonJsonpMapper` on every instantiation even if a mapper was already provided, which could cause issues with Jackson module resolution ([#1788](https://github.com/opensearch-project/opensearch-java/pull/1788))
+- Fixed the regression introduced in the OpenSearch OpenAPI spec ([#1794](https://github.com/opensearch-project/opensearch-java/pull/1794))
+
+### Security
+
 ## [3.3.0] - 10/29/2025
 ### Added
 - Added decommission awareness & weighted routing operations ([#1632](https://github.com/opensearch-project/opensearch-java/pull/1632))
@@ -597,8 +612,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix StoryStats numeric value out of range of int ([#489](https://github.com/opensearch-project/opensearch-java/pull/489))
 
 [Unreleased 4.x]: https://github.com/opensearch-project/opensearch-java/compare/3.x...main
-[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.3.0...3.x
+[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.4.0...3.x
 [Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.26.0...2.x
+[3.4.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.3.0...v3.4.0
 [3.3.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.2.0...v3.3.0
 [3.2.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.1.0...v3.2.0
 [3.1.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.0.0...v3.1.0
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 8bdaf60c75..f8e1ee3125 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1d69499129..cc87305b38 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -28,7 +28,7 @@
 
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.0-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionSha256Sum=a17ddd85a26b6a7f5ddb71ff8b05fc5104c0202c6e64782429790c933686c806
+distributionSha256Sum=df67a32e86e3276d011735facb1535f64d0d88df84fa87521e90becc2d735444