diff --git a/.github/.release-please-manifest-v1.json b/.github/.release-please-manifest-v1.json
index 1aa7bc97e6..4de106f017 100644
--- a/.github/.release-please-manifest-v1.json
+++ b/.github/.release-please-manifest-v1.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.34.0"
+  ".": "1.34.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08799f7a13..6a5ef3bd79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [1.34.1](https://github.com/google/adk-python/compare/v1.34.0...v1.34.1) (2026-05-22)
+
+
+### Bug Fixes
+
+* Fix bug where grounding metadata in Gemini 3.1 live was being silently discarded ([9b6b9e9](https://github.com/google/adk-python/commit/9b6b9e976300ab223c77075554d6cd66ce1179ff))
+* fix input and output transcription finished events for Gemini v3.1 ([13763d7](https://github.com/google/adk-python/commit/13763d71f883b215dae08feb3f042869b9cd5d18))
+* **tools:** Prevent session drop on MCP tool error ([1fd406b](https://github.com/google/adk-python/commit/1fd406b90ae00c59d84093c33bc04530825bc760))
+
 ## [1.34.0](https://github.com/google/adk-python/compare/v1.33.0...v1.34.0) (2026-05-18)
 
 
diff --git a/src/google/adk/version.py b/src/google/adk/version.py
index cf2713c03f..b31a9d2680 100644
--- a/src/google/adk/version.py
+++ b/src/google/adk/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # version: major.minor.patch
-__version__ = "1.34.0"
+__version__ = "1.34.1"