diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ad3aa7c05..21a4d4dbe 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,6 +1,6 @@
 {
   "packages/toolbox-langchain": "1.0.0",
   "packages/toolbox-core": "1.0.0",
-  "packages/toolbox-llamaindex": "0.6.0",
+  "packages/toolbox-llamaindex": "1.0.0",
   "packages/toolbox-adk": "1.0.0"
 }
\ No newline at end of file
diff --git a/packages/toolbox-llamaindex/CHANGELOG.md b/packages/toolbox-llamaindex/CHANGELOG.md
index d5cfcb5e3..4e7660fbd 100644
--- a/packages/toolbox-llamaindex/CHANGELOG.md
+++ b/packages/toolbox-llamaindex/CHANGELOG.md
@@ -1,5 +1,33 @@
 # Changelog
 
+## [1.0.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-llamaindex-v0.6.0...toolbox-llamaindex-v1.0.0) (2026-03-28)
+
+
+### Features
+
+* **adk:** Support `ToolContext` for `auth_token_getters` in `toolbox-adk` ([#579](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/579)) ([05e5f2c](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/05e5f2cba0a123c14594508eeee6bd228274b138))
+* **toolbox-core:** add observability with OpenTelemetry ([#583](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/583)) ([d479385](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/d479385cccf31a7cb1dffcc4634ddb6fe7ef932a))
+
+
+### Bug Fixes
+
+* **core:** resolve dropped default parameter values in MCP transport parsing ([#601](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/601)) ([08c4af4](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/08c4af4217feab19fdf8cb4fb328d1bb5e10a4e3))
+
+
+### Miscellaneous Chores
+
+* **deps:** update dependency toolbox-core to v1 ([#604](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/604)) ([053f130](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/053f1308c6e1426ff5715dd8ce62736df0495d8e))
+* **deps:** update mcp toolbox server version in integration tests to v0.29.0 to v0.29.0 ([#587](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/587)) ([8e02e62](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/8e02e6283e7d1ec842442b32f652829a6107d15e))
+* **deps:** update mcp toolbox server version in integration tests to v0.30.0 to v0.30.0 ([#598](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/598)) ([1836f5a](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/1836f5a6e94419aeb73d99529275ad4c027aed6f))
+* **deps:** update mcp toolbox server version in integration tests to v0.31.0 to v0.31.0 ([#609](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/609)) ([0883de3](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/0883de368379f9c62bd915ff1b0e7acecced4ff3))
+* **main:** release toolbox-llamaindex 1.0.0 ([#589](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/589)) ([746a7f5](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/746a7f5758dacf181bf67bfc5218c6ed6d70aff0))
+* release 1.0.0 ([#603](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/603)) ([4a54f26](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/4a54f26dbacd3ad186922d9bd632ab1c753c512a))
+
+
+### Documentation
+
+* cleanup README ([#581](https://github.com/googleapis/mcp-toolbox-sdk-python/issues/581)) ([da12899](https://github.com/googleapis/mcp-toolbox-sdk-python/commit/da1289944d8d401c0d2b958ae47da42da729848e))
+
 ## [0.6.0](https://github.com/googleapis/mcp-toolbox-sdk-python/compare/toolbox-llamaindex-v0.5.10...toolbox-llamaindex-v0.6.0) (2026-03-06)
 
 
diff --git a/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py b/packages/toolbox-llamaindex/src/toolbox_llamaindex/version.py
index 8f4814f32..756f75ffc 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__ = "0.6.0"
+__version__ = "1.0.0"