diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
index b497694998..f0f9bd794d 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be 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).
 
-## Unreleased
+## Version 2.2b0 (2025-11-25)
 
 - Fix service tier attribute names: use `GEN_AI_OPENAI_REQUEST_SERVICE_TIER` for request
   attributes and `GEN_AI_OPENAI_RESPONSE_SERVICE_TIER` for response attributes.
diff --git a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/version.py b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/version.py
index a6098e22cc..369c00051a 100644
--- a/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/version.py
+++ b/instrumentation-genai/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.2b0.dev"
+__version__ = "2.2b0"