diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 727a5db..788b0fa 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.21.1"
+  ".": "0.22.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 792b503..483ce34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.22.0](https://github.com/agentclientprotocol/typescript-sdk/compare/v0.21.1...v0.22.0) (2026-05-18)
+
+
+### Features
+
+* **unstable:** Add session delete handling ([#152](https://github.com/agentclientprotocol/typescript-sdk/issues/152)) ([f9384f5](https://github.com/agentclientprotocol/typescript-sdk/commit/f9384f59008298b44fd1e22e5dde3f2e922fc7ec))
+* Update schema to v0.13.2 ([#150](https://github.com/agentclientprotocol/typescript-sdk/issues/150)) ([b15960b](https://github.com/agentclientprotocol/typescript-sdk/commit/b15960b74667f9a582470d58c18ebb9054e5acfd))
+
 ## [0.21.1](https://github.com/agentclientprotocol/typescript-sdk/compare/v0.21.0...v0.21.1) (2026-05-14)
 
 
diff --git a/package-lock.json b/package-lock.json
index 2ebc2db..97597f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@agentclientprotocol/sdk",
-  "version": "0.21.1",
+  "version": "0.22.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agentclientprotocol/sdk",
-      "version": "0.21.1",
+      "version": "0.22.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "@eslint/js": "^10.0.1",
diff --git a/package.json b/package.json
index 8c3c15c..b6c7d4b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@agentclientprotocol/sdk",
-  "version": "0.21.1",
+  "version": "0.22.0",
   "publishConfig": {
     "access": "public"
   },