diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9aa540f..6b7b74c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.4"
+  ".": "0.3.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e943b24..9f41c2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,36 @@
 # Changelog
 
+## [0.3.0](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/compare/0.2.4...0.3.0) (2026-03-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* **http:** sanitize non-2xx error output ([genai-toolbox#​2654](https://redirect.github.com/googleapis/genai-toolbox/issues/2654))
+* add a new `enable-api` flag ([genai-toolbox#​2846](https://redirect.github.com/googleapis/genai-toolbox/issues/2846))
+* remove deprecations and update tools-file flag ([genai-toolbox#​2806](https://redirect.github.com/googleapis/genai-toolbox/issues/2806))
+* release upgraded docsite ([genai-toolbox#​2831](https://redirect.github.com/googleapis/genai-toolbox/issues/2831))
+
+### Features
+
+* **auth:** Add generic `authService` type for MCP ([genai-toolbox#​2619](https://redirect.github.com/googleapis/genai-toolbox/issues/2619)) ([f6678f8](https://redirect.github.com/googleapis/genai-toolbox/commit/f6678f8e29aa3346f4f73ce33cec37b4753d6947)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **auth:** Add Protected Resource Metadata endpoint ([genai-toolbox#​2698](https://redirect.github.com/googleapis/genai-toolbox/issues/2698)) ([b53dcf2](https://redirect.github.com/googleapis/genai-toolbox/commit/b53dcf20694599f8b961c501a532bd122630b6f4)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **auth:** Support manual PRM override ([genai-toolbox#​2717](https://redirect.github.com/googleapis/genai-toolbox/issues/2717)) ([283e4e3](https://redirect.github.com/googleapis/genai-toolbox/commit/283e4e33172571e4b20fa6a3ea0cfc632a565e6a)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **dataplex:** Add support for lookup context tool. ([genai-toolbox#​2744](https://redirect.github.com/googleapis/genai-toolbox/issues/2744)) ([facb69d](https://redirect.github.com/googleapis/genai-toolbox/commit/facb69d01fe0c7ff9e2e1c40804dd00762e508a6)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **http:** sanitize non-2xx error output ([genai-toolbox#​2654](https://redirect.github.com/googleapis/genai-toolbox/issues/2654)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* add a new `enable-api` flag ([genai-toolbox#​2846](https://redirect.github.com/googleapis/genai-toolbox/issues/2846)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* Add a new `enable-api` flag ([genai-toolbox#​2846](https://redirect.github.com/googleapis/genai-toolbox/issues/2846)) ([7a070da](https://redirect.github.com/googleapis/genai-toolbox/commit/7a070dae4f1833671649ea605f36659675d402a9)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* release upgraded docsite ([genai-toolbox#​2831](https://redirect.github.com/googleapis/genai-toolbox/issues/2831)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* remove deprecations and update tools-file flag ([genai-toolbox#​2806](https://redirect.github.com/googleapis/genai-toolbox/issues/2806)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* Remove deprecations and update tools-file flag ([genai-toolbox#​2806](https://redirect.github.com/googleapis/genai-toolbox/issues/2806)) ([ab64c95](https://redirect.github.com/googleapis/genai-toolbox/commit/ab64c9514a467d92a4547eda5a4ecdd08f86b0c9)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+
+
+### Bug Fixes
+
+* **ci:** Remove search index generation from preview deployment workflow ([genai-toolbox#​2859](https://redirect.github.com/googleapis/genai-toolbox/issues/2859)) ([f8891b8](https://redirect.github.com/googleapis/genai-toolbox/commit/f8891b82fcaaef240e1031cd9f784749d91d4210)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **docs:** Skip empty folders in pagination & reduce PR comment noise ([genai-toolbox#​2853](https://redirect.github.com/googleapis/genai-toolbox/issues/2853)) ([9ebd93a](https://redirect.github.com/googleapis/genai-toolbox/commit/9ebd93a8ecb9bae673aa77a859803629fc7a4e1d)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **http:** Sanitize non-2xx error output ([genai-toolbox#​2654](https://redirect.github.com/googleapis/genai-toolbox/issues/2654)) ([5bef954](https://redirect.github.com/googleapis/genai-toolbox/commit/5bef954507c8e23b6c9b0eb2551265e4be32b452)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+* **skills:** Fix integer parameter parsing through agent skills ([genai-toolbox#​2847](https://redirect.github.com/googleapis/genai-toolbox/issues/2847)) ([4564efe](https://redirect.github.com/googleapis/genai-toolbox/commit/4564efe75436b4081d9f3d1f7c912bc64c13f850)) ([a2f8893](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/commit/a2f88937fdd7452a441f875c488fe64b37f006bf))
+
 ## [0.2.4](https://github.com/gemini-cli-extensions/cloud-sql-postgresql/compare/0.2.3...0.2.4) (2026-03-23)
 
 
diff --git a/gemini-extension.json b/gemini-extension.json
index 79ec063..0627f84 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,6 +1,6 @@
 {
   "name": "cloud-sql-postgresql",
-  "version": "0.2.4",
+  "version": "0.3.0",
   "description": "Create, connect, and interact with a Cloud SQL for PostgreSQL database and data.",
   "contextFileName": "CLOUD-SQL-POSTGRESQL.md",
   "settings": [