diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e12940..3df117f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+---
+
+## [2.1.0] — 2026-04
+
+### Changed
+
+- Sync version with `@biological-sovereignty-protocol/sdk` v2.1.0 so the
+  entire BSP client stack (sdk, cli, mcp, website) shares one line.
+
 ### Added
+
 - `examples/` directory with runnable bash scripts for the three core flows:
   - `create-beo.sh` — bootstrap a sovereign biological identity
   - `grant-consent.sh` — issue a ConsentToken to an IEO
@@ -17,7 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `CONTRIBUTING.md` with dev setup, testing, and PR guidelines
 - Expanded README with per-command reference tables and flag documentation
 
-### Changed
+### Changed (docs)
+
 - Documentation consolidated with cross-links to bsp-spec glossary and error catalog
 
 ---
diff --git a/package.json b/package.json
index 096e37c..3e0d3fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@biological-sovereignty-protocol/cli",
-  "version": "1.0.0",
+  "version": "2.1.0",
   "description": "Official CLI for the Biological Sovereignty Protocol — manage BEOs, IEOs, consent, and health data from the terminal",
   "bin": {
     "bsp": "./dist/index.js"