diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 29cefcdd..d8e80d8e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{"packages/toolbox-langchain":"0.5.3","packages/toolbox-core":"0.5.3","packages/toolbox-llamaindex":"0.5.3"}
+{"packages/toolbox-langchain":"0.5.4","packages/toolbox-core":"0.5.4","packages/toolbox-llamaindex":"0.5.4"}
diff --git a/packages/toolbox-core/CHANGELOG.md b/packages/toolbox-core/CHANGELOG.md
index 9a086880..d4039707 100644
--- a/packages/toolbox-core/CHANGELOG.md
+++ b/packages/toolbox-core/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.5.4](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-core-v0.5.3...toolbox-core-v0.5.4) (2025-12-03)
+
+
+### Miscellaneous Chores
+
+* **deps:** update dependency mypy to v1.19.0 ([#443](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/443)) ([ca80201](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ca80201a9b42a2e8b9604965477489dda8d7841e))
+* **deps:** update dependency pydantic to v2.12.5 ([#442](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/442)) ([8d8cffb](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d8cffb30ed5b011fe0ab06fc81f258a7006eb41))
+* **deps:** update update mcp toolbox server version in integration tests to v0.21.0 to v0.21.0 ([#431](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/431)) ([24c1cdd](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/24c1cddde2ed1800954de3b1c6291c034411c903))
+
 ## [0.5.3](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-core-v0.5.2...toolbox-core-v0.5.3) (2025-11-18)
 
 
diff --git a/packages/toolbox-core/src/toolbox_core/version.py b/packages/toolbox-core/src/toolbox_core/version.py
index 210bc1c7..b7b14644 100644
--- a/packages/toolbox-core/src/toolbox_core/version.py
+++ b/packages/toolbox-core/src/toolbox_core/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.5.3"
+__version__ = "0.5.4"
diff --git a/packages/toolbox-langchain/CHANGELOG.md b/packages/toolbox-langchain/CHANGELOG.md
index 09032048..6a3c4d72 100644
--- a/packages/toolbox-langchain/CHANGELOG.md
+++ b/packages/toolbox-langchain/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.5.4](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-langchain-v0.5.3...toolbox-langchain-v0.5.4) (2025-12-03)
+
+
+### Miscellaneous Chores
+
+* **deps:** bump langchain-core in /packages/toolbox-langchain ([#433](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/433)) ([a49d3bf](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/a49d3bfbaebe0e4e80692f246551c627c33492b3))
+* **deps:** update dependency langchain-core to v1.1.0 ([#436](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/436)) ([16221b6](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/16221b613b53156b6d3c5cb03c1044684271fe07))
+* **deps:** update dependency mypy to v1.19.0 ([#443](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/443)) ([ca80201](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ca80201a9b42a2e8b9604965477489dda8d7841e))
+* **deps:** update dependency pydantic to v2.12.5 ([#442](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/442)) ([8d8cffb](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d8cffb30ed5b011fe0ab06fc81f258a7006eb41))
+* **deps:** update update mcp toolbox server version in integration tests to v0.21.0 to v0.21.0 ([#431](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/431)) ([24c1cdd](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/24c1cddde2ed1800954de3b1c6291c034411c903))
+
 ## [0.5.3](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-langchain-v0.5.2...toolbox-langchain-v0.5.3) (2025-11-18)
 
 
diff --git a/packages/toolbox-langchain/pyproject.toml b/packages/toolbox-langchain/pyproject.toml
index 8c486915..2f3b504c 100644
--- a/packages/toolbox-langchain/pyproject.toml
+++ b/packages/toolbox-langchain/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "toolbox-core==0.5.3",              # x-release-please-version
+    "toolbox-core==0.5.4",              # x-release-please-version
     "langchain-core>=0.2.23,<2.0.0",
     "PyYAML>=6.0.1,<7.0.0",
     "pydantic>=2.7.0,<3.0.0",
diff --git a/packages/toolbox-langchain/src/toolbox_langchain/version.py b/packages/toolbox-langchain/src/toolbox_langchain/version.py
index 210bc1c7..b7b14644 100644
--- a/packages/toolbox-langchain/src/toolbox_langchain/version.py
+++ b/packages/toolbox-langchain/src/toolbox_langchain/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.5.3"
+__version__ = "0.5.4"
diff --git a/packages/toolbox-llamaindex/CHANGELOG.md b/packages/toolbox-llamaindex/CHANGELOG.md
index e888085e..6c7935dc 100644
--- a/packages/toolbox-llamaindex/CHANGELOG.md
+++ b/packages/toolbox-llamaindex/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [0.5.4](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-llamaindex-v0.5.3...toolbox-llamaindex-v0.5.4) (2025-12-03)
+
+
+### Miscellaneous Chores
+
+* **deps:** update dependency llama-index-core to v0.14.9 ([#444](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/444)) ([09781ca](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/09781ca4a8d85f6f6d07ecb6230c2287ab9f877e))
+* **deps:** update dependency mypy to v1.19.0 ([#443](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/443)) ([ca80201](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/ca80201a9b42a2e8b9604965477489dda8d7841e))
+* **deps:** update dependency pydantic to v2.12.5 ([#442](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/442)) ([8d8cffb](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8d8cffb30ed5b011fe0ab06fc81f258a7006eb41))
+* **deps:** update update mcp toolbox server version in integration tests to v0.21.0 to v0.21.0 ([#431](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/431)) ([24c1cdd](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/24c1cddde2ed1800954de3b1c6291c034411c903))
+
 ## [0.5.3](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-llamaindex-v0.5.2...toolbox-llamaindex-v0.5.3) (2025-11-18)
 
 
diff --git a/packages/toolbox-llamaindex/pyproject.toml b/packages/toolbox-llamaindex/pyproject.toml
index a26b8844..aa7f3ab4 100644
--- a/packages/toolbox-llamaindex/pyproject.toml
+++ b/packages/toolbox-llamaindex/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "toolbox-core==0.5.3",              # x-release-please-version
+    "toolbox-core==0.5.4",              # x-release-please-version
     "llama-index-core>=0.12.0,<1.0.0",
     "PyYAML>=6.0.1,<7.0.0",
     "pydantic>=2.8.0,<3.0.0",
diff --git a/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py b/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
index 210bc1c7..b7b14644 100644
--- a/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
+++ b/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.5.3"
+__version__ = "0.5.4"