diff --git a/CHANGELOG.md b/CHANGELOG.md
index 201398b..d7d7bd6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ file is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and
 this project adheres to [Semantic
 Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.13.0] - 2024-05-21
 
 ### Changed
 
@@ -303,7 +303,7 @@ without relying on the content of the response.
 
 - `send_frame` and `recv_frame` to send and receive length-delimited frames.
 
-[Unreleased]: https://github.com/petabi/oinq/compare/0.12.0...main
+[0.13.0]: https://github.com/petabi/oinq/compare/0.12.0...0.13.0
 [0.12.0]: https://github.com/petabi/oinq/compare/0.11.0...0.12.0
 [0.11.0]: https://github.com/petabi/oinq/compare/0.10.0...0.11.0
 [0.10.0]: https://github.com/petabi/oinq/compare/0.9.3...0.10.0
diff --git a/Cargo.toml b/Cargo.toml
index fef2a2d..78f852f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "oinq"
-version = "0.12.0"
+version = "0.13.0"
 edition = "2021"
 rust-version = "1.69"
 description = "The inter-agent communication protocol in the REview ecosystem"