diff --git a/Cargo.toml b/Cargo.toml
index 9d80874..fca9c03 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["crates/*"]
 resolver = "2"
 
 [workspace.package]
-version = "0.0.20"
+version = "0.0.21"
 edition = "2021"
 license = "Apache-2.0"
 rust-version = "1.75"
diff --git a/crates/wavekat-platform-client/CHANGELOG.md b/crates/wavekat-platform-client/CHANGELOG.md
index f3f3608..3deec79 100644
--- a/crates/wavekat-platform-client/CHANGELOG.md
+++ b/crates/wavekat-platform-client/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.0.21](https://github.com/wavekat/wavekat-platform-client/compare/v0.0.20...v0.0.21) - 2026-07-26
+
+### Added
+
+- *(voice)* add call-flow attribution to call records ([#41](https://github.com/wavekat/wavekat-platform-client/pull/41))
+
 ## [0.0.20](https://github.com/wavekat/wavekat-platform-client/compare/v0.0.19...v0.0.20) - 2026-07-18
 
 ### Added