diff --git a/.aiox-core/install-manifest.yaml b/.aiox-core/install-manifest.yaml
index 05816fa4fd..3a3881e1d2 100644
--- a/.aiox-core/install-manifest.yaml
+++ b/.aiox-core/install-manifest.yaml
@@ -7,8 +7,8 @@
 # - SHA256 hashes for change detection
 # - File types for categorization
 #
-version: 5.0.3
-generated_at: "2026-03-11T15:04:09.395Z"
+version: 5.1.0
+generated_at: "2026-05-13T15:40:27.162Z"
 generator: scripts/generate-install-manifest.js
 file_count: 1090
 files:
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     type: other
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     hash: sha256:d68653cae9e64414ad4f58ea941b6c6e337c5324c2c7247043eca1461a652d10
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     hash: sha256:3f0ac8b39907634a2b53f43079afc33663eee76f46e680d318ff253e0befc2c4
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@@ -3991,67 +3991,67 @@ files:
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     hash: sha256:47935510f03d4ad9b2200748e65441ce6c2d6a7c74750395eca6831d77c48e91
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   - path: product/templates/token-exports-css-tmpl.css
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diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ac846df6d..dbffa7cc6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,22 @@ All notable changes to Synkra AIOX will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.1.0] - 2026-05-13
+
+### Added
+
+- `project-status` task for accurate `*status` command output (#559).
+
+### Fixed
+
+- `ConfigCache.has()` stat inflation and hook system errors (#582).
+- CI: use `pull_request_target` for fork PR labeling (#585).
+- `cacheHitRate` overflow, null depth count, and checkpoint `TypeError` (#581).
+
+### Changed
+
+- Rebranded documentation to AIOX Squad with new tagline and domain (#553).
+
 ## [4.2.11] - 2026-02-16
 
 ### Added
diff --git a/package.json b/package.json
index 69341eca01..8c832faf13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aiox-core",
-  "version": "5.0.3",
+  "version": "5.1.0",
   "description": "Synkra AIOX: AI-Orchestrated System for Full Stack Development - Core Framework",
   "bin": {
     "aiox": "bin/aiox.js",