diff --git a/CHANGELOG.md b/CHANGELOG.md
index b99b0a87..8446a66c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.10.0] - 2025-10-20
+
+### Added
+- **Agent Onboarding**: New `bd onboard` command for agent-first documentation (bd-173)
+  - Outputs structured instructions for agents to integrate bd into documentation
+  - Bootstrap workflow: Add 'BEFORE ANYTHING ELSE: run bd onboard' to AGENTS.md
+  - Agent adapts instructions to existing project structure
+  - More agentic approach vs. direct string replacement
+  - Updates README with new bootstrap workflow
+
 ## [0.9.11] - 2025-10-20
 
 ### Added