diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 65078153..235806fe 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.40.0"
+  ".": "0.40.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca0decab..212acb35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.40.1](https://github.com/hyperspell/node-sdk/compare/v0.40.0...v0.40.1) (2026-07-17)
+
+
+### Bug Fixes
+
+* **mcp:** execute tool dies on Deno >= 2 (unix socket needs net permission) ([#100](https://github.com/hyperspell/node-sdk/issues/100)) ([9604f1b](https://github.com/hyperspell/node-sdk/commit/9604f1b621b96f9e4024ce9e0bb3c458bda055f1))
+* **mcp:** execute tool dies on Deno >= 2.9 (unix sockets moved behind net permission) ([#101](https://github.com/hyperspell/node-sdk/issues/101)) ([6b11b2f](https://github.com/hyperspell/node-sdk/commit/6b11b2fe18e4450e33739b8c9911378220b7d128))
+
 ## [0.40.0](https://github.com/hyperspell/node-sdk/compare/v0.39.0...v0.40.0) (2026-06-26)
 
 
diff --git a/package.json b/package.json
index b77c2956..6aad4239 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperspell/hyperspell",
-  "version": "0.40.0",
+  "version": "0.40.1",
   "description": "The official TypeScript library for the Hyperspell API",
   "author": "Hyperspell <hello@hyperspell.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index 16d4b072..be9bdfa3 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "@hyperspell/hyperspell-mcp",
-  "version": "0.40.0",
+  "version": "0.40.1",
   "description": "The official MCP Server for the Hyperspell API",
   "author": {
     "name": "Hyperspell",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 80729f46..d987961d 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperspell/hyperspell-mcp",
-  "version": "0.40.0",
+  "version": "0.40.1",
   "description": "The official MCP Server for the Hyperspell API",
   "author": "Hyperspell <hello@hyperspell.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index c17cceec..e88a3c67 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.40.0'; // x-release-please-version
+export const VERSION = '0.40.1'; // x-release-please-version