diff --git a/CHANGELOG.md b/CHANGELOG.md
index 858be5c..d118425 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.4.0](https://github.com/rust-mcp-stack/rust-mcp-schema/compare/v0.3.0...v0.4.0) (2025-04-26)
+
+
+### ⚠ BREAKING CHANGES
+
+* add new draft version and update 2025_03_26 ([#66](https://github.com/rust-mcp-stack/rust-mcp-schema/issues/66))
+
+### Features
+
+* add new draft version and update 2025_03_26 ([#66](https://github.com/rust-mcp-stack/rust-mcp-schema/issues/66)) ([bc233ea](https://github.com/rust-mcp-stack/rust-mcp-schema/commit/bc233eaffff02630e0bf15bc9b8ae22743a4a734))
+
 ## [0.3.0](https://github.com/rust-mcp-stack/rust-mcp-schema/compare/v0.2.2...v0.3.0) (2025-04-04)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index e9b6709..4fadc16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -156,7 +156,7 @@ dependencies = [
 
 [[package]]
 name = "rust-mcp-schema"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "json5",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 1ca99e4..dd1ead5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-mcp-schema"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Ali Hashemi"]
 categories = ["data-structures", "parser-implementations", "parsing"]
 description = "Type-safe implementation of the Model Context Protocol in Rust, designed to reduce errors and accelerate development with powerful utilities."
diff --git a/README.md b/README.md
index cc7a5ab..3ceb274 100644
--- a/README.md
+++ b/README.md
@@ -85,21 +85,21 @@ Example: enable `2025_03_26` version of the shema:
 
 ```toml
 # Cargo.toml
-rust-mcp-schema = { version: 0.3.0 , features=["2025_03_26"] }
+rust-mcp-schema = { version: 0.4.0 , features=["2025_03_26"] }
 ```
 
 Example: enable `latest` version of the shema:
 
 ```toml
 #Cargo.toml
-rust-mcp-schema = { version: 0.3.0 , features=["latest"] }
+rust-mcp-schema = { version: 0.4.0 , features=["latest"] }
 ```
 
 Example: enable specific version of the shema (2024_11_05) :
 
 ```toml
 #Cargo.toml
-rust-mcp-schema = { version: 0.3.0 , features=["2024_11_05"] }
+rust-mcp-schema = { version: 0.4.0 , features=["2024_11_05"] }
 ```
 
 <!-- x-release-please-end -->