diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90a8fe8..e1244bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to Lobster will be documented in this file.
 
-## Unreleased
+## 2026.5.22
 
 - Memoize Ajv schema compilation for repeated validation paths to avoid retained SchemaEnv/closure growth in long-running processes. Thanks to [@KrasimirKralev](https://github.com/KrasimirKralev) (PR [#98](https://github.com/openclaw/lobster/pull/98)) and [@cmi525](https://github.com/cmi525) (Issue [#96](https://github.com/openclaw/lobster/issues/96)).
 - Improve workflow resume compatibility for `stateKey` naming by accepting both `workflow_resume_` and `workflow-resume_` prefixes, including cleanup against the resolved on-disk key. Thanks to [@brownetw-ai](https://github.com/brownetw-ai) (PR [#4](https://github.com/openclaw/lobster/pull/4)).
diff --git a/package.json b/package.json
index c0f329f..e513df4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@clawdbot/lobster",
-  "version": "2026.4.6",
+  "version": "2026.5.22",
   "description": "Workflow runtime for AI agents - deterministic pipelines with approval gates",
   "keywords": [
     "ai-agent",