diff --git a/src/js-host-api/examples/mcp-server/package-lock.json b/src/js-host-api/examples/mcp-server/package-lock.json
index ecaeb16..86586c0 100644
--- a/src/js-host-api/examples/mcp-server/package-lock.json
+++ b/src/js-host-api/examples/mcp-server/package-lock.json
@@ -9,7 +9,7 @@
             "version": "0.1.0",
             "dependencies": {
                 "@modelcontextprotocol/sdk": "^1.32.1",
-                "zod": "^4.6.5"
+                "zod": "^4.6.6"
             },
             "devDependencies": {
                 "vitest": "^5.0.2"
@@ -2294,9 +2294,9 @@
             "license": "ISC"
         },
         "node_modules/zod": {
-            "version": "4.6.5",
-            "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.5.tgz",
-            "integrity": "sha512-v5l/aFXZQeai4awLbOpSoHecE9UiMrnfx75tEXLjNonXVARxQ5mOeipTjROUchszUNCqnE+hqAMujRsRHsut2Q==",
+            "version": "4.6.6",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.6.tgz",
+            "integrity": "sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==",
             "license": "MIT",
             "funding": {
                 "url": "https://github.com/sponsors/colinhacks"
diff --git a/src/js-host-api/examples/mcp-server/package.json b/src/js-host-api/examples/mcp-server/package.json
index 5c506a7..5889bf4 100644
--- a/src/js-host-api/examples/mcp-server/package.json
+++ b/src/js-host-api/examples/mcp-server/package.json
@@ -11,7 +11,7 @@
     },
     "dependencies": {
         "@modelcontextprotocol/sdk": "^1.32.1",
-        "zod": "^4.6.5"
+        "zod": "^4.6.6"
     },
     "devDependencies": {
         "vitest": "^5.0.2"