diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cfc159..b8f881f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # chrome-ai
 
+## 1.11.1
+
+### Patch Changes
+
+- fix: type definition of language model v1
+
 ## 1.11.0
 
 ### Minor Changes
diff --git a/package.json b/package.json
index b320385..5a9b823 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "chrome-ai",
   "description": "Vercel AI provider for Chrome built-in model (Gemini Nano)",
-  "version": "1.11.0",
+  "version": "1.11.1",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
   "types": "./dist/index.d.ts",