diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index dbe1b2b..5795308 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.41.0"
+  ".": "0.42.0"
 }
diff --git a/Cargo.lock b/Cargo.lock
index 3c62c7c..191a02a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -438,7 +438,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-bench"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -453,7 +453,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-core"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "serde",
@@ -469,7 +469,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-daemon"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
@@ -489,7 +489,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-extract"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
@@ -537,7 +537,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-graph"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
@@ -551,7 +551,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-mcp"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "axum",
@@ -574,7 +574,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-resolve"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
@@ -588,7 +588,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-rs"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -624,7 +624,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-store"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
@@ -636,7 +636,7 @@ dependencies = [
 
 [[package]]
 name = "codegraph-watch"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "anyhow",
  "codegraph-core",
diff --git a/Cargo.toml b/Cargo.toml
index a1f1ab3..f976681 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.41.0"
+version = "0.42.0"
 edition = "2024"
 license = "MIT"
 authors = ["sunerpy <nkuzhangshn@gmail.com>"]
diff --git a/changelog/CHANGELOG-v0.x.md b/changelog/CHANGELOG-v0.x.md
index 2bd5dba..f204dd6 100644
--- a/changelog/CHANGELOG-v0.x.md
+++ b/changelog/CHANGELOG-v0.x.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.42.0](https://github.com/sunerpy/codegraph-rust/compare/v0.41.0...v0.42.0) (2026-07-31)
+
+
+### Features
+
+* **mcp:** upgrade rmcp to 3.0.1 and serve MCP 2026-07-28 ([#177](https://github.com/sunerpy/codegraph-rust/issues/177)) ([e2604a5](https://github.com/sunerpy/codegraph-rust/commit/e2604a5b619946c4282db5abd90724ee6a0ab64f))
+* surface stdio MCP processes and fix Godot reading gaps ([#175](https://github.com/sunerpy/codegraph-rust/issues/175)) ([3e60eba](https://github.com/sunerpy/codegraph-rust/commit/3e60eba833f9c1f64e34e398d5ffd0c66b9d271d))
+
 ## [0.41.0](https://github.com/sunerpy/codegraph-rust/compare/v0.40.4...v0.41.0) (2026-07-30)
 
 
diff --git a/version.txt b/version.txt
index 72a8a63..787ffc3 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.41.0
+0.42.0