diff --git a/.github/workflows/unified-release.yml b/.github/workflows/unified-release.yml
index c84fba23d..3fdcab114 100644
--- a/.github/workflows/unified-release.yml
+++ b/.github/workflows/unified-release.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        stack_version: ['2.5.0']
+        stack_version: ['2.6.0']
 
     steps:
       - name: Checkout
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ab205c41..3de67cc57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,10 +3,22 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 ### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Updated APIs
+### Security
+### Dependencies
+
+## [2.6.0]
+### Added
 - Added support for urllib3 2+ in Python 3.10+ ([#719](https://github.com/opensearch-project/opensearch-py/pull/719))
 - Added support for Python 3.12 ([#717](https://github.com/opensearch-project/opensearch-py/pull/717))
 - Added service time metrics ([#716](https://github.com/opensearch-project/opensearch-py/pull/716))
 - Added `search_pipeline` APIs and `notifications` plugin APIs ([#724](https://github.com/opensearch-project/opensearch-py/pull/724))
+- Added `Transforms` APIs ([#749](https://github.com/opensearch-project/opensearch-py/pull/749))
+- Added `Index rollups` APIs ([#742](https://github.com/opensearch-project/opensearch-py/pull/742))
 ### Changed
 ### Deprecated
 ### Removed
@@ -246,7 +258,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed Wrong return type hint in `async_scan` ([520](https://github.com/opensearch-project/opensearch-py/pull/520))
 ### Security
 
-[Unreleased]: https://github.com/opensearch-project/opensearch-py/compare/v2.5.0...HEAD
+[Unreleased]: https://github.com/opensearch-project/opensearch-py/compare/v2.6.0...HEAD
+[2.6.0]: https://github.com/opensearch-project/opensearch-py/compare/v2.5.0...v2.6.0
 [2.5.0]: https://github.com/opensearch-project/opensearch-py/compare/v2.4.2...v2.5.0
 [2.4.2]: https://github.com/opensearch-project/opensearch-py/compare/v2.4.0...v2.4.2
 [2.4.1]: https://github.com/opensearch-project/opensearch-py/compare/v2.4.0...v2.4.1
diff --git a/benchmarks/poetry.lock b/benchmarks/poetry.lock
index 841f5dc7d..afca0ac3a 100644
--- a/benchmarks/poetry.lock
+++ b/benchmarks/poetry.lock
@@ -463,7 +463,7 @@ files = [
 
 [[package]]
 name = "opensearch-py"
-version = "2.5.0"
+version = "2.6.0"
 description = "Python client for OpenSearch"
 optional = false
 python-versions = ">=3.8, <4"
diff --git a/opensearchpy/_version.py b/opensearchpy/_version.py
index 0d011cb0d..1bc96b453 100644
--- a/opensearchpy/_version.py
+++ b/opensearchpy/_version.py
@@ -24,4 +24,4 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-__versionstr__: str = "2.5.0"
+__versionstr__: str = "2.6.0"
diff --git a/samples/poetry.lock b/samples/poetry.lock
index 7d4075d58..597a2edbe 100644
--- a/samples/poetry.lock
+++ b/samples/poetry.lock
@@ -480,7 +480,7 @@ files = [
 
 [[package]]
 name = "opensearch-py"
-version = "2.5.0"
+version = "2.6.0"
 description = "Python client for OpenSearch"
 optional = false
 python-versions = ">=3.8, <4"