diff --git a/.release-manifest.json b/.release-manifest.json
index 716d65a..97a0f63 100644
--- a/.release-manifest.json
+++ b/.release-manifest.json
@@ -1,13 +1,13 @@
 {
-  "crates/rust-mcp-sdk": "0.6.2",
+  "crates/rust-mcp-sdk": "0.6.3",
   "crates/rust-mcp-macros": "0.5.1",
-  "crates/rust-mcp-transport": "0.5.0",
-  "examples/hello-world-mcp-server": "0.1.30",
-  "examples/hello-world-mcp-server-core": "0.1.21",
-  "examples/simple-mcp-client": "0.1.30",
-  "examples/simple-mcp-client-core": "0.1.30",
-  "examples/hello-world-server-core-streamable-http": "0.1.21",
-  "examples/hello-world-server-streamable-http": "0.1.30",
-  "examples/simple-mcp-client-core-sse": "0.1.21",
-  "examples/simple-mcp-client-sse": "0.1.21"
+  "crates/rust-mcp-transport": "0.5.1",
+  "examples/hello-world-mcp-server": "0.1.31",
+  "examples/hello-world-mcp-server-core": "0.1.22",
+  "examples/simple-mcp-client": "0.1.31",
+  "examples/simple-mcp-client-core": "0.1.31",
+  "examples/hello-world-server-core-streamable-http": "0.1.22",
+  "examples/hello-world-server-streamable-http": "0.1.31",
+  "examples/simple-mcp-client-core-sse": "0.1.22",
+  "examples/simple-mcp-client-sse": "0.1.22"
 }
diff --git a/Cargo.lock b/Cargo.lock
index 6f86732..c10e354 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -688,7 +688,7 @@ checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 
 [[package]]
 name = "hello-world-mcp-server"
-version = "0.1.30"
+version = "0.1.31"
 dependencies = [
  "async-trait",
  "futures",
@@ -702,7 +702,7 @@ dependencies = [
 
 [[package]]
 name = "hello-world-mcp-server-core"
-version = "0.1.21"
+version = "0.1.22"
 dependencies = [
  "async-trait",
  "futures",
@@ -714,7 +714,7 @@ dependencies = [
 
 [[package]]
 name = "hello-world-server-core-streamable-http"
-version = "0.1.21"
+version = "0.1.22"
 dependencies = [
  "async-trait",
  "futures",
@@ -728,7 +728,7 @@ dependencies = [
 
 [[package]]
 name = "hello-world-server-streamable-http"
-version = "0.1.30"
+version = "0.1.31"
 dependencies = [
  "async-trait",
  "futures",
@@ -1679,7 +1679,7 @@ dependencies = [
 
 [[package]]
 name = "rust-mcp-sdk"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "async-trait",
  "axum",
@@ -1702,7 +1702,7 @@ dependencies = [
 
 [[package]]
 name = "rust-mcp-transport"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "async-trait",
  "bytes",
@@ -1904,7 +1904,7 @@ dependencies = [
 
 [[package]]
 name = "simple-mcp-client"
-version = "0.1.30"
+version = "0.1.31"
 dependencies = [
  "async-trait",
  "colored",
@@ -1918,7 +1918,7 @@ dependencies = [
 
 [[package]]
 name = "simple-mcp-client-core"
-version = "0.1.30"
+version = "0.1.31"
 dependencies = [
  "async-trait",
  "colored",
@@ -1932,7 +1932,7 @@ dependencies = [
 
 [[package]]
 name = "simple-mcp-client-core-sse"
-version = "0.1.21"
+version = "0.1.22"
 dependencies = [
  "async-trait",
  "colored",
@@ -1948,7 +1948,7 @@ dependencies = [
 
 [[package]]
 name = "simple-mcp-client-sse"
-version = "0.1.21"
+version = "0.1.22"
 dependencies = [
  "async-trait",
  "colored",
diff --git a/Cargo.toml b/Cargo.toml
index 13d723c..b4f7cca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ members = [
 
 [workspace.dependencies]
 # Workspace member crates
-rust-mcp-transport = { version = "0.5.0", path = "crates/rust-mcp-transport", default-features = false }
+rust-mcp-transport = { version = "0.5.1", path = "crates/rust-mcp-transport", default-features = false }
 rust-mcp-sdk = { path = "crates/rust-mcp-sdk", default-features = false }
 rust-mcp-macros = { version = "0.5.1", path = "crates/rust-mcp-macros", default-features = false }
 
diff --git a/crates/rust-mcp-sdk/CHANGELOG.md b/crates/rust-mcp-sdk/CHANGELOG.md
index f3ffaf4..db5a72b 100644
--- a/crates/rust-mcp-sdk/CHANGELOG.md
+++ b/crates/rust-mcp-sdk/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [0.6.3](https://github.com/rust-mcp-stack/rust-mcp-sdk/compare/rust-mcp-sdk-v0.6.2...rust-mcp-sdk-v0.6.3) (2025-08-31)
+
 ## [0.6.2](https://github.com/rust-mcp-stack/rust-mcp-sdk/compare/rust-mcp-sdk-v0.6.1...rust-mcp-sdk-v0.6.2) (2025-08-30)
 
 
diff --git a/crates/rust-mcp-sdk/Cargo.toml b/crates/rust-mcp-sdk/Cargo.toml
index 9261df7..48ea665 100644
--- a/crates/rust-mcp-sdk/Cargo.toml
+++ b/crates/rust-mcp-sdk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-mcp-sdk"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["Ali Hashemi"]
 categories = ["data-structures", "parser-implementations", "parsing"]
 description = "An asynchronous SDK and framework for building MCP-Servers and MCP-Clients, leveraging the rust-mcp-schema for type safe MCP Schema Objects."
diff --git a/crates/rust-mcp-transport/CHANGELOG.md b/crates/rust-mcp-transport/CHANGELOG.md
index bfce3b5..9a0d2e1 100644
--- a/crates/rust-mcp-transport/CHANGELOG.md
+++ b/crates/rust-mcp-transport/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.1](https://github.com/rust-mcp-stack/rust-mcp-sdk/compare/rust-mcp-transport-v0.5.0...rust-mcp-transport-v0.5.1) (2025-08-31)
+
+
+### 🐛 Bug Fixes
+
+* Correct pending_requests instance ([#94](https://github.com/rust-mcp-stack/rust-mcp-sdk/issues/94)) ([9d8c1fb](https://github.com/rust-mcp-stack/rust-mcp-sdk/commit/9d8c1fbdf3ddb7c67ce1fb7dcb8e50b8ba2e1202))
+
 ## [0.5.0](https://github.com/rust-mcp-stack/rust-mcp-sdk/compare/rust-mcp-transport-v0.4.1...rust-mcp-transport-v0.5.0) (2025-08-19)
 
 
diff --git a/crates/rust-mcp-transport/Cargo.toml b/crates/rust-mcp-transport/Cargo.toml
index 78c812b..ec061bb 100644
--- a/crates/rust-mcp-transport/Cargo.toml
+++ b/crates/rust-mcp-transport/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-mcp-transport"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Ali Hashemi"]
 categories = ["data-structures"]
 description = "Transport implementations for the MCP (Model Context Protocol) within the rust-mcp-sdk ecosystem, enabling asynchronous data exchange and efficient message handling between MCP clients and servers."
diff --git a/crates/rust-mcp-transport/src/stdio.rs b/crates/rust-mcp-transport/src/stdio.rs
index 06931d2..582af5d 100644
--- a/crates/rust-mcp-transport/src/stdio.rs
+++ b/crates/rust-mcp-transport/src/stdio.rs
@@ -237,13 +237,11 @@ where
 
             Ok(stream)
         } else {
-            let pending_requests: Arc<Mutex<HashMap<RequestId, tokio::sync::oneshot::Sender<M>>>> =
-                Arc::new(Mutex::new(HashMap::new()));
             let (stream, sender, error_stream) = MCPStream::create(
                 Box::pin(tokio::io::stdin()),
                 Mutex::new(Box::pin(tokio::io::stdout())),
                 IoStream::Writable(Box::pin(tokio::io::stderr())),
-                pending_requests,
+                self.pending_requests.clone(),
                 self.options.timeout,
                 cancellation_token,
             );
diff --git a/examples/hello-world-mcp-server-core/Cargo.toml b/examples/hello-world-mcp-server-core/Cargo.toml
index 1a9a684..bbab301 100644
--- a/examples/hello-world-mcp-server-core/Cargo.toml
+++ b/examples/hello-world-mcp-server-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hello-world-mcp-server-core"
-version = "0.1.21"
+version = "0.1.22"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/hello-world-mcp-server/Cargo.toml b/examples/hello-world-mcp-server/Cargo.toml
index 73a6585..63a54af 100644
--- a/examples/hello-world-mcp-server/Cargo.toml
+++ b/examples/hello-world-mcp-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hello-world-mcp-server"
-version = "0.1.30"
+version = "0.1.31"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/hello-world-server-core-streamable-http/Cargo.toml b/examples/hello-world-server-core-streamable-http/Cargo.toml
index 08bd089..99d1011 100644
--- a/examples/hello-world-server-core-streamable-http/Cargo.toml
+++ b/examples/hello-world-server-core-streamable-http/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hello-world-server-core-streamable-http"
-version = "0.1.21"
+version = "0.1.22"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/hello-world-server-streamable-http/Cargo.toml b/examples/hello-world-server-streamable-http/Cargo.toml
index fd0cc60..df4296d 100644
--- a/examples/hello-world-server-streamable-http/Cargo.toml
+++ b/examples/hello-world-server-streamable-http/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hello-world-server-streamable-http"
-version = "0.1.30"
+version = "0.1.31"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/simple-mcp-client-core-sse/Cargo.toml b/examples/simple-mcp-client-core-sse/Cargo.toml
index fdf119e..0e32790 100644
--- a/examples/simple-mcp-client-core-sse/Cargo.toml
+++ b/examples/simple-mcp-client-core-sse/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "simple-mcp-client-core-sse"
-version = "0.1.21"
+version = "0.1.22"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/simple-mcp-client-core/Cargo.toml b/examples/simple-mcp-client-core/Cargo.toml
index 6fa16a2..0dacc2d 100644
--- a/examples/simple-mcp-client-core/Cargo.toml
+++ b/examples/simple-mcp-client-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "simple-mcp-client-core"
-version = "0.1.30"
+version = "0.1.31"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/simple-mcp-client-sse/Cargo.toml b/examples/simple-mcp-client-sse/Cargo.toml
index e529bb2..14fd96b 100644
--- a/examples/simple-mcp-client-sse/Cargo.toml
+++ b/examples/simple-mcp-client-sse/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "simple-mcp-client-sse"
-version = "0.1.21"
+version = "0.1.22"
 edition = "2021"
 publish = false
 license = "MIT"
diff --git a/examples/simple-mcp-client/Cargo.toml b/examples/simple-mcp-client/Cargo.toml
index d524259..9599c46 100644
--- a/examples/simple-mcp-client/Cargo.toml
+++ b/examples/simple-mcp-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "simple-mcp-client"
-version = "0.1.30"
+version = "0.1.31"
 edition = "2021"
 publish = false
 license = "MIT"