diff --git a/.github/.release-please-manifest-v1.json b/.github/.release-please-manifest-v1.json
index 4de106f017..56df4a24cc 100644
--- a/.github/.release-please-manifest-v1.json
+++ b/.github/.release-please-manifest-v1.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.34.1"
+  ".": "1.34.2"
 }
diff --git a/.github/release-please-config-v1.json b/.github/release-please-config-v1.json
index 8c39f31fd0..2154732de3 100644
--- a/.github/release-please-config-v1.json
+++ b/.github/release-please-config-v1.json
@@ -57,5 +57,5 @@
       ]
     }
   },
-  "last-release-sha": "e13ada758a0691b44bec867fcf921566e2a488e5"
+  "last-release-sha": "459782f479b928d34b6151d111d7e5ebe4481296"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a5ef3bd79..b9f7b7bcbc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [1.34.2](https://github.com/google/adk-python/compare/v1.34.1...v1.34.2) (2026-06-01)
+
+
+### 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))
+
 ## [1.34.1](https://github.com/google/adk-python/compare/v1.34.0...v1.34.1) (2026-05-22)
 
 
diff --git a/src/google/adk/version.py b/src/google/adk/version.py
index b31a9d2680..d32f30b673 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__ = "1.34.1"
+__version__ = "1.34.2"