diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index eb968c27..e276945d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.87.0"
+  ".": "0.88.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48e88762..1d3a0cf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.88.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.87.0...v0.88.0) (2026-10-08)
+
+
+### Features
+
+* **deps:** update Claude SDK ([#1276](https://github.com/agentclientprotocol/claude-agent-acp/issues/1276)) ([0304f74](https://github.com/agentclientprotocol/claude-agent-acp/commit/0304f743f85e2505ad5a67c1fe7b7d24f2f9ad23))
+
 ## [0.87.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.86.0...v0.87.0) (2026-10-07)
 
 
diff --git a/package-lock.json b/package-lock.json
index 223ef058..0f0519f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@agentclientprotocol/claude-agent-acp",
-  "version": "0.87.0",
+  "version": "0.88.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agentclientprotocol/claude-agent-acp",
-      "version": "0.87.0",
+      "version": "0.88.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "1.7.0",
diff --git a/package.json b/package.json
index f61f4f09..7a0da34a 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "publishConfig": {
     "access": "public"
   },
-  "version": "0.87.0",
+  "version": "0.88.0",
   "description": "An ACP-compatible coding agent powered by the Claude Agent SDK (TypeScript)",
   "main": "dist/lib.js",
   "types": "dist/lib.d.ts",