diff --git a/CHANGELOG.md b/CHANGELOG.md
index 222f1f6..a08a3c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change Log
 
-## 0.4.2 - TBD
+## 0.4.2 - 2026-03-02
 
 - Add `CoseKeyBuilder::new_mldsa_pub_key()` helper, with associated `MlDsaVariant` enum.
 
diff --git a/Cargo.lock b/Cargo.lock
index c484aaf..5ab8ba2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -31,7 +31,7 @@ dependencies = [
 
 [[package]]
 name = "coset"
-version = "0.4.1"
+version = "0.4.2"
 dependencies = [
  "ciborium",
  "ciborium-io",
diff --git a/Cargo.toml b/Cargo.toml
index 7df7c90..214273d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "coset"
-version = "0.4.1"
+version = "0.4.2"
 authors = ["David Drysdale <drysdale@google.com>", "Paul Crowley <paulcrowley@google.com>"]
 edition = "2018"
 license = "Apache-2.0"