diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index dd8fde7..0d1bebe 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.0"
+  ".": "1.6.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a05a529..b2ad3b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.6.0](https://github.com/KochC/opencode-llm-proxy/compare/v1.5.0...v1.6.0) (2026-03-27)
+
+
+### Features
+
+* add Anthropic Messages API and Google Gemini API endpoints ([#40](https://github.com/KochC/opencode-llm-proxy/issues/40)) ([c516686](https://github.com/KochC/opencode-llm-proxy/commit/c51668634e1a25ff0fd2fb21e9c9263f2f841535))
+
 ## [1.5.0](https://github.com/KochC/opencode-llm-proxy/compare/v1.4.0...v1.5.0) (2026-03-27)
 
 
diff --git a/package-lock.json b/package-lock.json
index 3c776b8..1c6971d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "opencode-llm-proxy",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "opencode-llm-proxy",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "devDependencies": {
         "@eslint/js": "^10.0.1",
diff --git a/package.json b/package.json
index 5e7fbbd..e872da7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opencode-llm-proxy",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "description": "OpenCode plugin that exposes an OpenAI-compatible HTTP proxy backed by any LLM provider configured in OpenCode",
   "main": "index.js",
   "type": "module",