diff --git a/extensions/browser/package.json b/extensions/browser/package.json
index 81613b79512..3ec57a2f500 100644
--- a/extensions/browser/package.json
+++ b/extensions/browser/package.json
@@ -10,7 +10,8 @@
     "express": "5.2.1",
     "playwright-core": "1.59.1",
     "typebox": "1.1.33",
-    "ws": "^8.20.0"
+    "ws": "^8.20.0",
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "@openclaw/plugin-sdk": "workspace:*",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a6b7f874fc0..bb6b895b499 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -356,6 +356,9 @@ importers:
       ws:
         specifier: ^8.20.0
         version: 8.20.0
+      zod:
+        specifier: ^4.3.6
+        version: 4.3.6
     devDependencies:
       '@openclaw/plugin-sdk':
         specifier: workspace:*