diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2ffa421e..330850bf 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.53.0"
+  ".": "0.54.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b17a58f9..a5c3fc97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [0.54.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.53.0...v0.54.0) (2026-06-30)
+
+
+### Features
+
+* Add Fast mode session config support ([#828](https://github.com/agentclientprotocol/claude-agent-acp/issues/828)) ([fa949a2](https://github.com/agentclientprotocol/claude-agent-acp/commit/fa949a20db0e33f2d63aebeb37e9fea212d8ee95))
+* **deps-dev:** bump prettier from 3.9.1 to 3.9.3 in the minor group ([#821](https://github.com/agentclientprotocol/claude-agent-acp/issues/821)) ([b8df8e0](https://github.com/agentclientprotocol/claude-agent-acp/commit/b8df8e0e5460fd782214f4dde488f7476c80c454))
+* **deps:** bump @anthropic-ai/claude-agent-sdk to 0.3.197 for Sonnet 5 ([#826](https://github.com/agentclientprotocol/claude-agent-acp/issues/826)) ([ef42c46](https://github.com/agentclientprotocol/claude-agent-acp/commit/ef42c46e5aea3bb53f433b9f9dd36a62a9f2df6a))
+* **deps:** bump fast-uri from 3.1.2 to 3.1.3 ([#822](https://github.com/agentclientprotocol/claude-agent-acp/issues/822)) ([64aa130](https://github.com/agentclientprotocol/claude-agent-acp/commit/64aa130c66c299f9835193796ba372b3ed40e7c1))
+
 ## [0.53.0](https://github.com/agentclientprotocol/claude-agent-acp/compare/v0.52.0...v0.53.0) (2026-06-29)
 
 
diff --git a/package-lock.json b/package-lock.json
index a2df2b50..7dbefa41 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@agentclientprotocol/claude-agent-acp",
-  "version": "0.53.0",
+  "version": "0.54.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agentclientprotocol/claude-agent-acp",
-      "version": "0.53.0",
+      "version": "0.54.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "1.1.0",
diff --git a/package.json b/package.json
index 8fa585e7..33c63ef6 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "publishConfig": {
     "access": "public"
   },
-  "version": "0.53.0",
+  "version": "0.54.0",
   "description": "An ACP-compatible coding agent powered by the Claude Agent SDK (TypeScript)",
   "main": "dist/lib.js",
   "types": "dist/lib.d.ts",