diff --git a/CHANGELOG.md b/CHANGELOG.md
index 949a8eb..7c157eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.1](https://github.com/rust-mcp-stack/rust-mcp-schema/compare/v0.2.0...v0.2.1) (2025年03月23日)
+
+
+### Bug Fixes
+
+* soft deprecate CustomResult variants to suppress warnings ([#57](https://github.com/rust-mcp-stack/rust-mcp-schema/issues/57)) ([069b7a4](https://github.com/rust-mcp-stack/rust-mcp-schema/commit/069b7a4a3f31ffe75359f0ba729fbe9f7dfa18d1))
+
 ## [0.2.0](https://github.com/rust-mcp-stack/rust-mcp-schema/compare/v0.1.11...v0.2.0) (2025年03月22日)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 1fc5226..6aa6a67 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -156,7 +156,7 @@ dependencies = [
 
 [[package]]
 name = "rust-mcp-schema"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
 "json5",
 "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 08f7d5b..3404754 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-mcp-schema"
-version = "0.2.0"
+version = "0.2.1"
 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 ac52312..fa5a35c 100644
--- a/README.md
+++ b/README.md
@@ -79,21 +79,21 @@ Example: enable `draft` version of the shema:
 
 ```toml
 # Cargo.toml
-rust-mcp-schema = { version: 0.2.0 , features=["draft"] }
+rust-mcp-schema = { version: 0.2.1 , features=["draft"] }
 ```
 
 Example: enable `latest` version of the shema:
 
 ```toml
 #Cargo.toml
-rust-mcp-schema = { version: 0.2.0 , features=["latest"] }
+rust-mcp-schema = { version: 0.2.1 , features=["latest"] }
 ```
 
 Example: enable specific version of the shema (2024_11_05) :
 
 ```toml
 #Cargo.toml
-rust-mcp-schema = { version: 0.2.0 , features=["2024_11_05"] }
+rust-mcp-schema = { version: 0.2.1 , features=["2024_11_05"] }
 ```
 
 
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