diff --git a/config.py b/config.py
index 3bf2128..dc1af36 100644
--- a/config.py
+++ b/config.py
@@ -14,7 +14,7 @@ import os
 # These values are used in server responses and for tracking releases
 # IMPORTANT: This is the single source of truth for version and author info
 # Semantic versioning: MAJOR.MINOR.PATCH
-__version__ = "1.1.0"
+__version__ = "5.8.6"
 # Last update date in ISO format
 __updated__ = "2025-08-20"
 # Primary maintainer
diff --git a/pyproject.toml b/pyproject.toml
index f2cfb8b..d8b6883 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "zen-mcp-server"
-version = "1.1.0"
+version = "5.8.6"
 description = "AI-powered MCP server with multiple model providers"
 requires-python = ">=3.9"
 dependencies = [