diff --git a/docs/versions.json b/docs/versions.json
index ed415c31b17..6d701b71e7c 100644
--- a/docs/versions.json
+++ b/docs/versions.json
@@ -1,12 +1,17 @@
 [
     {
-        "version": "https://kubeflow-pipelines.readthedocs.io/en/sdk-2.8.0/",
-        "title": "2.8.0",
+        "version": "https://kubeflow-pipelines.readthedocs.io/en/sdk-2.9.0/",
+        "title": "2.9.0",
         "aliases": [
             "stable",
             "latest"
         ]
     },
+    {
+        "version": "https://kubeflow-pipelines.readthedocs.io/en/sdk-2.8.0/",
+        "title": "2.8.0",
+        "aliases": []
+    },
     {
         "version": "https://kubeflow-pipelines.readthedocs.io/en/sdk-2.7.0/",
         "title": "2.7.0",
diff --git a/sdk/RELEASE.md b/sdk/RELEASE.md
index 1f64612dcbd..7eda198b920 100644
--- a/sdk/RELEASE.md
+++ b/sdk/RELEASE.md
@@ -10,6 +10,24 @@
 
 ## Documentation updates
 
+# 2.9.0
+
+## Features
+* Kfp support for pip trusted host [#11151](https://github.com/kubeflow/pipelines/pull/11151)
+
+## Breaking changes
+
+* Pin kfp-pipeline-spec==0.4.0, kfp-server-api>=2.1.0,<2.4.0 [#11192](https://github.com/kubeflow/pipelines/pull/11192)
+
+## Deprecations
+
+## Bug fixes and other changes
+
+* Loosening kubernetes dependency constraint [#11079](https://github.com/kubeflow/pipelines/pull/11079)
+* Throw 'exit_task cannot depend on any other tasks.' error when an ExitHandler has a parameter dependent on other task [#11005](https://github.com/kubeflow/pipelines/pull/11005)
+
+## Documentation updates
+
 # 2.8.0
 
 ## Features
diff --git a/sdk/python/kfp/__init__.py b/sdk/python/kfp/__init__.py
index 55fb3753d19..9c4a79e80ca 100644
--- a/sdk/python/kfp/__init__.py
+++ b/sdk/python/kfp/__init__.py
@@ -16,7 +16,7 @@
 # https://packaging.python.org/guides/packaging-namespace-packages/#pkgutil-style-namespace-packages
 __path__ = __import__('pkgutil').extend_path(__path__, __name__)
 
-__version__ = '2.8.0'
+__version__ = '2.9.0'
 
 import sys
 import warnings