diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,13 @@
 [Keep a Changelog](https://keepachangelog.com/), and the package follows the
 [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
-## Unreleased
+## [Unreleased]
+
+## 0.16.0.0 — 2026-09-07
+
+### Other Changes
+
+- No user-facing changes; release in lockstep with the Keiro 0.16.0.0 package set.
 
 ## 0.15.0.0 — 2026-08-30
 
diff --git a/keiro-core.cabal b/keiro-core.cabal
--- a/keiro-core.cabal
+++ b/keiro-core.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            keiro-core
-version:         0.15.0.0
+version:         0.16.0.0
 synopsis:        Core contracts for Keiro packages
 description:
   Stable stream, codec, event-stream, and integration-event contracts
