diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17cd595..92a690d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,34 @@
 
 <!-- version list -->
 
+## v9.2.0 (2025-11-18)
+
+### Chores
+
+- Sync version to config.py [skip ci]
+  ([`7a1de64`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/7a1de6477aae88bfe7a2f677faf0794169651354))
+
+### Documentation
+
+- Streamline advanced usage guide by reorganizing table of contents for improved navigation
+  ([`698d391`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/698d391b26a0dd565eada8bfa6e67e549ce1dd20))
+
+- Update .env.example to include new GPT-5.1 model options and clarify existing model descriptions
+  ([`dbbfef2`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/dbbfef292c67ed54f90f7612c9c14d4095bd6c45))
+
+- Update advanced usage and configuration to include new GPT-5.1 models and enhance tool parameters
+  ([`807c9df`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/807c9df70e3b54031ec6beea10f3975455b36dfb))
+
+### Features
+
+- Add new GPT-5.1 models to configuration files and update model selection logic in OpenAI provider
+  ([`8e9aa23`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/8e9aa2304d5e9ea9a9f8dc2a13a27a1ced6b1608))
+
+- Enhance model support by adding GPT-5.1 to .gitignore and updating cassette maintenance
+  documentation for dual-model testing
+  ([`f713d8a`](https://github.com/BeehiveInnovations/zen-mcp-server/commit/f713d8a354a37c32a806c98994e6f949ecd64237))
+
+
 ## v9.1.4 (2025-11-18)
 
 ### Bug Fixes
diff --git a/pyproject.toml b/pyproject.toml
index 56a229b..75d7d31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "zen-mcp-server"
-version = "9.1.4"
+version = "9.2.0"
 description = "AI-powered MCP server with multiple model providers"
 requires-python = ">=3.9"
 dependencies = [