diff --git a/.github/AGENT-GUIDE.md b/.github/AGENT-GUIDE.md
index fff3160..361bc70 100644
--- a/.github/AGENT-GUIDE.md
+++ b/.github/AGENT-GUIDE.md
@@ -1,7 +1,7 @@
 # IP Whitelist App — AI Agent Guide
 
 > For AI coding agents (Copilot, etc.) to understand and continue development.
-> Last updated: 2026-06-04 | Version: 0.5.22
+> Last updated: 2026-06-04 | Version: 0.5.23
 
 ## 1. Quick Overview
 
@@ -247,6 +247,13 @@ See `docs/deploy-keycloak.md` for details.
 
 | Version | Date | Key Changes |
 |---------|------|-------------|
+| 0.5.23 | 2026-06-04 | 0.0.0.0/8 blocked, security+edge test suites |
+| 0.5.22 | 2026-06-04 | 4-audit cleanup, gitignore hardening |
+| 0.5.21 | 2026-06-04 | Header injection fix, API timeout, nginx duplicate |
+| 0.5.20 | 2026-06-04 | IAM fallback warning, fail-fast IAM_API_URL, X-Forwarded-Proto |
+| 0.5.19 | 2026-06-04 | safeReturn in all redirects (open redirect fix) |
+| 0.5.18 | 2026-06-04 | IAM API integration: fetchIamUser, switchProfile, profiles[] |
+| 0.5.17 | 2026-06-04 | Previous stable |
 | 0.5.14 | 2026-06-03 | Token login, JWKS in mock mode, production deploy docs |
 | 0.5.13 | 2026-06-03 | OIDC routes prepared, .env.example, devops-deploy guide, repo cleanup |
 | 0.5.12 | 2026-06-02 | Fixed company switch bug, aggregation, validation, TZ compliance |