diff --git a/Cargo.lock b/Cargo.lock
index e796b0118..595fb8f63 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -298,7 +298,7 @@ dependencies = [
 
 [[package]]
 name = "cms"
-version = "0.2.2"
+version = "0.2.3"
 dependencies = [
  "aes",
  "cbc",
diff --git a/cms/CHANGELOG.md b/cms/CHANGELOG.md
index 41b544083..e10452b8e 100644
--- a/cms/CHANGELOG.md
+++ b/cms/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format 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).
 
+## 0.2.3 (2024-01-08)
+### Added
+- RFC 5544 `TimeStampedData` implementation ([#1258])
+
+[#1258]: https://github.com/RustCrypto/formats/pull/1258
+
 ## 0.2.2 (2023-07-14)
 ### Added
 - `SignedData` builder ([#1051])
diff --git a/cms/Cargo.toml b/cms/Cargo.toml
index d3b12535f..5fcaf9347 100644
--- a/cms/Cargo.toml
+++ b/cms/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cms"
-version = "0.2.2"
+version = "0.2.3"
 description = """
 Pure Rust implementation of the Cryptographic Message Syntax (CMS) as described in RFC 5652 and RFC 3274.
 """