diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b2c706c..71e95ba 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.19.2"
+  ".": "0.20.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 806b52b..5f34329 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.20.0](https://github.com/agentclientprotocol/typescript-sdk/compare/v0.19.2...v0.20.0) (2026-04-23)
+
+
+### Features
+
+* Stabilize `closeSession` and `resumeSession` ([#132](https://github.com/agentclientprotocol/typescript-sdk/issues/132)) ([806d307](https://github.com/agentclientprotocol/typescript-sdk/commit/806d307ba92e824e859075f3f72fe1e9b35b8f0b))
+
 ## [0.19.2](https://github.com/agentclientprotocol/typescript-sdk/compare/v0.19.1...v0.19.2) (2026-04-23)
 
 
diff --git a/package-lock.json b/package-lock.json
index 225a3a3..3caf42d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@agentclientprotocol/sdk",
-  "version": "0.19.2",
+  "version": "0.20.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agentclientprotocol/sdk",
-      "version": "0.19.2",
+      "version": "0.20.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "@eslint/js": "^10.0.1",
diff --git a/package.json b/package.json
index 4434907..7cd2362 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@agentclientprotocol/sdk",
-  "version": "0.19.2",
+  "version": "0.20.0",
   "publishConfig": {
     "access": "public"
   },