diff --git a/CHANGELOG.md b/CHANGELOG.md
index 747766a..0c456ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,4 +33,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - API key authentication via Bearer token
 - Credit ledger with balance queries
 - API key management (create, list, revoke)
-- Account info and credit history endpoints
\ No newline at end of file
+- Account info and credit history endpoints
+- Proxy acquire endpoint with atomic lease creation via Redis
+- Credit debit on acquisition with balance verification
+- Proxy release endpoint with immediate lease cleanup
+- Lease audit trail in PostgreSQL
\ No newline at end of file