diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17309e503..08f47643e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,15 +2,29 @@
 
 # Change Log
 
-## UNRELEASED
+## 2025-05-29 - Runtime 0.18.0-alpha.4
 
-- chore: update json-as and remove hack [#857](https://github.com/hypermodeinc/modus/pull/857)
 - chore: rename agent lifecycle methods and APIs [#858](https://github.com/hypermodeinc/modus/pull/858)
 - feat: enforce WASI reactor mode [#859](https://github.com/hypermodeinc/modus/pull/859)
-- feat: return user and chat errors in API response [#863](https://github.com/hypermodeinc/modus/pull/863) [#864](https://github.com/hypermodeinc/modus/pull/864)
+- feat: return user and chat errors in API response [#863](https://github.com/hypermodeinc/modus/pull/863)
 - feat: list agents on health endpoint [#865](https://github.com/hypermodeinc/modus/pull/865)
 - feat: add agent management APIs [#866](https://github.com/hypermodeinc/modus/pull/866)
 
+## 2025-05-29 - Go SDK 0.18.0-alpha.4
+
+- chore: rename agent lifecycle methods and APIs [#858](https://github.com/hypermodeinc/modus/pull/858)
+- feat: enforce WASI reactor mode [#859](https://github.com/hypermodeinc/modus/pull/859)
+- feat: return user and chat errors in API response [#863](https://github.com/hypermodeinc/modus/pull/863)
+- feat: add agent management APIs [#866](https://github.com/hypermodeinc/modus/pull/866)
+
+## 2025-05-29 - AssemblyScript SDK 0.18.0-alpha.3
+
+- chore: update json-as and remove hack [#857](https://github.com/hypermodeinc/modus/pull/857)
+- chore: rename agent lifecycle methods and APIs [#858](https://github.com/hypermodeinc/modus/pull/858)
+- feat: enforce WASI reactor mode [#859](https://github.com/hypermodeinc/modus/pull/859)
+- feat: return user and chat errors in API response [#864](https://github.com/hypermodeinc/modus/pull/864)
+- feat: add agent management APIs [#866](https://github.com/hypermodeinc/modus/pull/866)
+
 ## 2025-05-22 - Go SDK 0.18.0-alpha.3
 
 - fix: omit parallel_tool_calls in Go OpenAI SDK if it is set to true [#849](https://github.com/hypermodeinc/modus/pull/849)