diff --git a/packages/reactivity-core/CHANGELOG.md b/packages/reactivity-core/CHANGELOG.md
index 7180392..a503518 100644
--- a/packages/reactivity-core/CHANGELOG.md
+++ b/packages/reactivity-core/CHANGELOG.md
@@ -1,6 +1,6 @@
 # @conterra/reactivity-core
 
-## v0.4.3 (Unreleased)
+## v0.4.3
 
 -   Introduce `synchronized`, a new kind of signal designed to integrate foreign data sources.
 -   Add missing `forEach` method to `ReactiveSet` and `ReactiveMap`.
diff --git a/packages/reactivity-core/package.json b/packages/reactivity-core/package.json
index d94ddce..7d78024 100644
--- a/packages/reactivity-core/package.json
+++ b/packages/reactivity-core/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@conterra/reactivity-core",
     "type": "module",
-    "version": "0.4.2",
+    "version": "0.4.3",
     "license": "Apache-2.0",
     "description": "Framework agnostic library for building reactive applications.",
     "repository": {