diff --git a/CHANGELOG.md b/CHANGELOG.md
index 574e79a777..7e75886719 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+
+## [0.3.0](https://github.com/googleapis/genai-toolbox/compare/v0.2.1...v0.3.0) (2025-04-04)
+
+
+### Features
+
+* Add 'alloydb-ai-nl' tool ([#358](https://github.com/googleapis/genai-toolbox/issues/358)) ([f02885f](https://github.com/googleapis/genai-toolbox/commit/f02885fd4a919103fdabaa4ca38d975dc8497542))
+* Add HTTP Source and Tool ([#332](https://github.com/googleapis/genai-toolbox/issues/332)) ([64da5b4](https://github.com/googleapis/genai-toolbox/commit/64da5b4efe7d948ceb366c37fdaabd42405bc932))
+* Adding support for Model Context Protocol (MCP). ([#396](https://github.com/googleapis/genai-toolbox/issues/396)) ([a7d1d4e](https://github.com/googleapis/genai-toolbox/commit/a7d1d4eb2ae337b463d1b25ccb25c3c0eb30df6f))
+* Added [toolbox-core](https://pypi.org/project/toolbox-core/) SDK – easily integrate Toolbox into any Python function calling framework
+
+
+### Bug Fixes
+
+* Add `tools-file` flag and deprecate `tools_file`  ([#384](https://github.com/googleapis/genai-toolbox/issues/384)) ([34a7263](https://github.com/googleapis/genai-toolbox/commit/34a7263fdce40715de20ef5677f94be29f9f5c98)), closes [#383](https://github.com/googleapis/genai-toolbox/issues/383)
+
 ## [0.2.1](https://github.com/googleapis/genai-toolbox/compare/v0.2.0...v0.2.1) (2025-03-20)
 
 
diff --git a/README.md b/README.md
index e1228c7d8c..045d3d476e 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ To install Toolbox as a binary:
 <!-- {x-release-please-start-version} -->
 ```sh
 # see releases page for other versions
-export VERSION=0.2.1
+export VERSION=0.3.0
 curl -O https://storage.googleapis.com/genai-toolbox/v$VERSION/linux/amd64/toolbox
 chmod +x toolbox
 ```
@@ -89,7 +89,7 @@ You can also install Toolbox as a container:
 
 ```sh
 # see releases page for other versions
-export VERSION=0.2.1
+export VERSION=0.3.0
 docker pull us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:$VERSION
 ```
 
@@ -102,7 +102,7 @@ To install from source, ensure you have the latest version of
 [Go installed](https://go.dev/doc/install), and then run the following command:
 
 ```sh
-go install github.com/googleapis/genai-toolbox@v0.2.1
+go install github.com/googleapis/genai-toolbox@v0.3.0
 ```
 <!-- {x-release-please-end} -->
 
diff --git a/cmd/version.txt b/cmd/version.txt
index 0c62199f16..0d91a54c7d 100644
--- a/cmd/version.txt
+++ b/cmd/version.txt
@@ -1 +1 @@
-0.2.1
+0.3.0
diff --git a/docs/en/getting-started/introduction/_index.md b/docs/en/getting-started/introduction/_index.md
index 7c961436bf..43851ce0f4 100644
--- a/docs/en/getting-started/introduction/_index.md
+++ b/docs/en/getting-started/introduction/_index.md
@@ -51,7 +51,7 @@ To install Toolbox as a binary:
 
 ```sh
 # see releases page for other versions
-export VERSION=0.2.1
+export VERSION=0.3.0
 curl -O https://storage.googleapis.com/genai-toolbox/v$VERSION/linux/amd64/toolbox
 chmod +x toolbox
 ```
@@ -62,7 +62,7 @@ You can also install Toolbox as a container:
 
 ```sh
 # see releases page for other versions
-export VERSION=0.2.1
+export VERSION=0.3.0
 docker pull us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:$VERSION
 ```
 
@@ -73,7 +73,7 @@ To install from source, ensure you have the latest version of
 [Go installed](https://go.dev/doc/install), and then run the following command:
 
 ```sh
-go install github.com/googleapis/genai-toolbox@v0.2.1
+go install github.com/googleapis/genai-toolbox@v0.3.0
 ```
 
 {{% /tab %}}
diff --git a/docs/en/getting-started/local_quickstart.md b/docs/en/getting-started/local_quickstart.md
index 4d080602b2..d7ba303fe7 100644
--- a/docs/en/getting-started/local_quickstart.md
+++ b/docs/en/getting-started/local_quickstart.md
@@ -133,7 +133,7 @@ In this section, we will download Toolbox, configure our tools in a
     <!-- {x-release-please-start-version} -->
     ```bash
     export OS="linux/amd64" # one of linux/amd64, darwin/arm64, darwin/amd64, or windows/amd64
-    curl -O https://storage.googleapis.com/genai-toolbox/v0.2.1/$OS/toolbox
+    curl -O https://storage.googleapis.com/genai-toolbox/v0.3.0/$OS/toolbox
     ```
     <!-- {x-release-please-end} -->
 
diff --git a/docs/en/getting-started/mcp_quickstart/_index.md b/docs/en/getting-started/mcp_quickstart/_index.md
index c911bcd24b..790a1ebef9 100644
--- a/docs/en/getting-started/mcp_quickstart/_index.md
+++ b/docs/en/getting-started/mcp_quickstart/_index.md
@@ -106,7 +106,7 @@ In this section, we will download Toolbox, configure our tools in a
     <!-- {x-release-please-start-version} -->
     ```bash
     export OS="linux/amd64" # one of linux/amd64, darwin/arm64, darwin/amd64, or windows/amd64
-    curl -O https://storage.googleapis.com/genai-toolbox/v0.2.1/$OS/toolbox
+    curl -O https://storage.googleapis.com/genai-toolbox/v0.3.0/$OS/toolbox
     ```
     <!-- {x-release-please-end} -->