diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0017478..13d1637 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [0.1.21](https://github.com/Michael-Obele/docshark/compare/v0.1.20...v0.1.21) (2026-05-13)
+
+
+### ✨ Features
+
+* add comprehensive README and SKILL documentation for DocShark agent skills ([6b911ea](https://github.com/Michael-Obele/docshark/commit/6b911eab3fea6a5ae6f61cb9a95905f1249a5d17))
+* add documentation and query patterns for DocShark skill ([40c708d](https://github.com/Michael-Obele/docshark/commit/40c708df62688c8cb7314173154db1d7164559ee))
+* add initial DocShark Search Evolution Plan document ([513b415](https://github.com/Michael-Obele/docshark/commit/513b41501094ec1e32352b1952aab647ec07116e))
+* add validation and implementation notes for Phase 1 of search evolution plan ([de4d44b](https://github.com/Michael-Obele/docshark/commit/de4d44bc7c7ab0d93f4880b9e76d74a50debfa56))
+* implement search result formatting and query planning in SearchEngine ([7ae5685](https://github.com/Michael-Obele/docshark/commit/7ae5685d29af5c332d50ad14f872c6a35a7219bc))
+* update dependencies and enhance job management with session tracking ([e478e4e](https://github.com/Michael-Obele/docshark/commit/e478e4e2ae2200063e7e0353da514cad8a2036e2))
+
+
+### ♻️ Code Refactoring
+
+* improve code formatting and consistency in RateLimiter class ([65ce46e](https://github.com/Michael-Obele/docshark/commit/65ce46ed478f72b7711e805cde6f4e1db93c30c6))
+
 ## [0.1.20](https://github.com/Michael-Obele/docshark/compare/v0.1.19...v0.1.20) (2026-03-19)
 
 
diff --git a/package.json b/package.json
index 26e6502..271b2a7 100644
--- a/package.json
+++ b/package.json
@@ -12,5 +12,5 @@
     "check:core": "bunx tsc --noEmit -p packages/core/tsconfig.json",
     "check": "pnpm check:core && pnpm check:site"
   },
-  "version": "0.1.20"
+  "version": "0.1.21"
 }
diff --git a/packages/core/.release-please-manifest.json b/packages/core/.release-please-manifest.json
index a595f55..8dec718 100644
--- a/packages/core/.release-please-manifest.json
+++ b/packages/core/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.1.20"
+    ".": "0.1.21"
 }
\ No newline at end of file