diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99ce30b..07c6ef0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ existing `0.1.0` release; earlier development prereleases are not listed.
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-10-12
+
 ### Added
 
 - Read-only SA Key and SAT authentication examples, plus explicit PAT/SA selection for existing business examples without duplicating scenarios.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7421347..33709f4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -128,7 +128,7 @@ Do not dispatch the workflow until all settings are active.
 
    ```bash
    gh workflow run release.yml --ref main \
-     -f version=0.3.0 \
+     -f version=0.4.0 \
      -f commit_sha=<40-character-main-sha> \
      -f batch_id=<safe-audit-token>
    ```
diff --git a/docs/api/index/variables/VERSION.md b/docs/api/index/variables/VERSION.md
index 69d1dcc..e673983 100644
--- a/docs/api/index/variables/VERSION.md
+++ b/docs/api/index/variables/VERSION.md
@@ -6,4 +6,4 @@
 
 # Variable: VERSION
 
-> `const` **VERSION**: `"0.3.0"` = `'0.3.0'`
+> `const` **VERSION**: `"0.4.0"` = `'0.4.0'`
diff --git a/package-lock.json b/package-lock.json
index 42a3418..606109a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "qca-sdk",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "qca-sdk",
-      "version": "0.3.0",
+      "version": "0.4.0",
       "license": "MIT",
       "devDependencies": {
         "semver": "7.7.3",
diff --git a/package.json b/package.json
index 9ff0b3d..a77dafc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qca-sdk",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "TypeScript SDK for Qoder Cloud Agents Forward and Managed APIs",
   "author": "Qoder",
   "license": "MIT",
diff --git a/src/version.ts b/src/version.ts
index 637b19b..fc8c658 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -3,4 +3,4 @@
 // describe a version that was never published; `npm run build` compares the two.
 // Declared here rather than imported from package.json so bundlers do not have to
 // resolve JSON from outside src/.
-export const VERSION = '0.3.0';
+export const VERSION = '0.4.0';