diff --git a/Dockerfile b/Dockerfile
index bfe5e24..9549634 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,13 +6,13 @@ ARG DOCKER_VERSION=29.6.1
 ARG COMPOSE_VERSION=5.3.1
 ARG BUILDX_VERSION=0.35.0
 ARG OPENCODE_VERSION=1.17.18
-ARG OPENCHAMBER_VERSION=1.15.0
+ARG OPENCHAMBER_VERSION=1.16.0
 ARG GLAB_VERSION=1.107.0
 ARG PLAYWRIGHT_VERSION=1.61.1
 ARG PLAYWRIGHT_MCP_VERSION=0.0.78
 ARG GH_VERSION=2.96.0
 ARG MARKSMAN_VERSION=2026-02-08
-ARG LEANCTX_VERSION=3.9.7
+ARG LEANCTX_VERSION=3.9.8
 ARG OH_MY_OPENAGENT_VERSION=latest
 ARG USERNAME=devuser
 ARG USER_UID=1000
diff --git a/README.md b/README.md
index 2496ec5..75e861c 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ It is designed for teams and individuals who want a reproducible AI coding works
 
 ![Ubuntu](https://img.shields.io/badge/Ubuntu-24.04-orange?style=for-the-badge&logo=ubuntu&logoColor=white)
 ![OpenCode](https://img.shields.io/badge/OpenCode-1.17.18-blue?style=for-the-badge&logoColor=white)
-![OpenChamber](https://img.shields.io/badge/OpenChamber-1.15.0-blue?style=for-the-badge&logoColor=white)
+![OpenChamber](https://img.shields.io/badge/OpenChamber-1.16.0-blue?style=for-the-badge&logoColor=white)
  
 ## Features
 
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 52c1f5e..51e828b 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [1.1.18] - 2026-07-13
+
+### Changed
+- Upgrade OpenChamber from 1.15.0 to 1.16.0.
+- Upgrade lean-ctx from 3.9.7 to 3.9.8.
+
 ## [1.1.17] - 2026-07-12
 
 ### Changed
@@ -690,7 +696,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 > 📖 This changelog follows the [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) format.
 
-[Unreleased]: https://github.com/tryweb/ai-engkit/compare/v1.1.17...HEAD
+[Unreleased]: https://github.com/tryweb/ai-engkit/compare/v1.1.18...HEAD
 [0.3.0]: https://github.com/tryweb/ai-engkit/releases/tag/v0.3.0
 [0.3.3]: https://github.com/tryweb/ai-engkit/compare/v0.3.0...v0.3.3
 [0.5.0]: https://github.com/tryweb/ai-engkit/compare/v0.3.3...v0.5.0
@@ -773,3 +779,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 [1.1.15]: https://github.com/tryweb/ai-engkit/compare/v1.1.14...v1.1.15
 [1.1.16]: https://github.com/tryweb/ai-engkit/compare/v1.1.15...v1.1.16
 [1.1.17]: https://github.com/tryweb/ai-engkit/compare/v1.1.16...v1.1.17
+[1.1.18]: https://github.com/tryweb/ai-engkit/compare/v1.1.17...v1.1.18
diff --git a/test-output.txt b/test-output.txt
index 6ca4bda..31213bc 100644
--- a/test-output.txt
+++ b/test-output.txt
@@ -14,7 +14,7 @@
 
 --- Versions ---
   PASS opencode version (1.17.18)
-  PASS openchamber version (1.15.0)
+  PASS openchamber version (1.16.0)
   PASS openspec installed (1.6.0)
   PASS gh CLI installed
   PASS glab CLI installed