diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 5985b02..b332948 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "knowledge-catalog",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Connect to Knowledge Catalog to discover, manage, monitor, and govern data and AI artifacts across your data platform",
   "author": {
     "name": "Google LLC",
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 6cd1590..9a76a83 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "knowledge-catalog",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Connect to Knowledge Catalog to discover, manage, monitor, and govern data and AI artifacts across your data platform",
   "author": {
     "name": "Google LLC",
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d04f223..383dd5a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.5.1"
+  ".": "0.5.2"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef6a5df..e8ec13c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.2](https://github.com/gemini-cli-extensions/knowledge-catalog/compare/0.5.1...0.5.2) (2026-06-11)
+
+
+### Features
+
+* **deps:** update dependency googleapis/mcp-toolbox to v1.4.0 ([#114](https://github.com/gemini-cli-extensions/knowledge-catalog/issues/114)) ([b3df58e](https://github.com/gemini-cli-extensions/knowledge-catalog/commit/b3df58e81ae46a1497a1186fc82119d328ec730c))
+
 ## [0.5.1](https://github.com/gemini-cli-extensions/knowledge-catalog/compare/0.5.0...0.5.1) (2026-05-22)
 
 
diff --git a/README.md b/README.md
index d37b3bd..dd0f50d 100644
--- a/README.md
+++ b/README.md
@@ -71,8 +71,8 @@ For the latest version, check the [releases page][releases].
 <summary id="antigravity">Antigravity</summary>
 
 You can use either of these two agents for Antigravity:
-- [Antigravity CLI](https://github.com/google-gemini/gemini-cli) version **v1.6.0** or higher
-- [Antigravity 2.0](https://antigravity.google/product/antigravity-2) version **v2.0.0** or higher.
+- [Antigravity CLI](https://github.com/google-gemini/gemini-cli) version **v0.5.2** or higher
+- [Antigravity 2.0](https://antigravity.google/product/antigravity-2) version **v0.5.2** or higher.
 
 <blockquote>
 💡 <strong>Tip — Migrating from Gemini CLI?</strong><br>
@@ -91,7 +91,7 @@ See <a href="https://antigravity.google/docs/gcli-migration">Migrating from Gemi
 **1. Clone the Repo:**
 
 ```bash
-git clone --branch 0.5.1 https://github.com/gemini-cli-extensions/knowledge-catalog.git
+git clone --branch 0.5.2 https://github.com/gemini-cli-extensions/knowledge-catalog.git
 ```
 
 **2. Install the skills:**
@@ -116,7 +116,7 @@ _(Tip: Antigravity 2.0 automatically discovers skills in these directories at th
 **1. Clone the Repo:**
 
 ```bash
-git clone --branch 0.5.1 https://github.com/gemini-cli-extensions/knowledge-catalog.git
+git clone --branch 0.5.2 https://github.com/gemini-cli-extensions/knowledge-catalog.git
 ```
 
 **2. Install the skills:**
@@ -153,7 +153,7 @@ claude
 **3. Add the marketplace:**
 
 ```bash
-/plugin marketplace add https://github.com/gemini-cli-extensions/knowledge-catalog.git#0.5.1
+/plugin marketplace add https://github.com/gemini-cli-extensions/knowledge-catalog.git#0.5.2
 ```
 
 **4. Install the plugin:**
@@ -172,7 +172,7 @@ _(Tip: Run `/plugin list` inside Claude Code to verify the plugin is active, or
 **1. Clone the Repo:**
 
 ```bash
-git clone --branch 0.5.1 git@github.com:gemini-cli-extensions/knowledge-catalog.git
+git clone --branch 0.5.2 git@github.com:gemini-cli-extensions/knowledge-catalog.git
 ```
 
 **2. Install the plugin:**
@@ -221,7 +221,7 @@ You can install skills using the `npx skills` command.
 Run the following command in your terminal to automatically download and register the skills:
 
 ```bash
-npx skills add https://github.com/gemini-cli-extensions/knowledge-catalog/tree/0.5.1
+npx skills add https://github.com/gemini-cli-extensions/knowledge-catalog/tree/0.5.2
 ```
 
 For detailed info check out the [Skills npm package](https://www.npmjs.com/package/skills).
diff --git a/gemini-extension.json b/gemini-extension.json
index 264a64b..1dac016 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,6 +1,6 @@
 {
   "name": "knowledge-catalog",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Connect to Knowledge Catalog (formerly known as Dataplex) to discover, manage, monitor, and govern data and AI artifacts across your data platform",
   "contextFileName": "KNOWLEDGE_CATALOG.md",
   "settings": [