diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50cf9c778..2dfce58af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [2.3.0](https://github.com/googleapis/python-genai/compare/v2.2.0...v2.3.0) (2026-05-15)
+
+
+### Features
+
+* Add content union to UserInputStep ([a5059a8](https://github.com/googleapis/python-genai/commit/a5059a82dc596f9555dd3221aa6e7414d50df24a))
+* Interaction.{output_text,output_image,output_audio,output_video} ([975d16a](https://github.com/googleapis/python-genai/commit/975d16a3cea49282137dd2a901b219820a641b64))
+* Migrate Agent Engines, Evaluation, Prompt Management, and Skill features to agentplatform ([abb1099](https://github.com/googleapis/python-genai/commit/abb1099fab3fc227acf53f3cdcd51a87679a51fe))
+
+
+### Documentation
+
+* Refresh generated docs for 2.2 ([2ce0298](https://github.com/googleapis/python-genai/commit/2ce02983753b1a0b4f7f5068b17996081e378b09))
+
 ## [2.2.0](https://github.com/googleapis/python-genai/compare/v2.1.0...v2.2.0) (2026-05-12)
 
 
diff --git a/google/genai/version.py b/google/genai/version.py
index 4edb3dd9e..e8b750a12 100644
--- a/google/genai/version.py
+++ b/google/genai/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 #
 
-__version__ = '2.2.0' # x-release-please-version
+__version__ = '2.3.0' # x-release-please-version
diff --git a/pyproject.toml b/pyproject.toml
index 1bf48e8ed..93065ed1b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools", "wheel", "twine>=6.1.0", "packaging>=24.2", "pkginfo>=
 
 [project]
 name = "google-genai"
-version = "2.2.0"
+version = "2.3.0"
 description = "GenAI Python SDK"
 readme = "README.md"
 license = "Apache-2.0"