diff --git a/starter/hono-mcp/package.json b/starter/hono-mcp/package.json
index 50b0282e55..ad83f70ad2 100644
--- a/starter/hono-mcp/package.json
+++ b/starter/hono-mcp/package.json
@@ -3,7 +3,7 @@
   "type": "module",
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.17.3",
-    "hono": "^4.9.2",
+    "hono": "^4.12.21",
     "mcp-handler": "^1.0.1",
     "zod": "^3"
   },
diff --git a/starter/hono-mcp/pnpm-lock.yaml b/starter/hono-mcp/pnpm-lock.yaml
index 53a09749ac..921aacd613 100644
--- a/starter/hono-mcp/pnpm-lock.yaml
+++ b/starter/hono-mcp/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: ^1.17.3
         version: 1.17.3
       hono:
-        specifier: ^4.9.2
-        version: 4.9.2
+        specifier: ^4.12.21
+        version: 4.12.21
       mcp-handler:
         specifier: ^1.0.1
         version: 1.0.1(@modelcontextprotocol/sdk@1.17.3)
@@ -231,8 +231,8 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
-  hono@4.9.2:
-    resolution: {integrity: sha512-UG2jXGS/gkLH42l/1uROnwXpkjvvxkl3kpopL3LBo27NuaDPI6xHNfuUSilIHcrBkPfl4y0z6y2ByI455TjNRw==}
+  hono@4.12.21:
+    resolution: {integrity: sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==}
     engines: {node: '>=16.9.0'}
 
   http-errors@2.0.0:
@@ -682,7 +682,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  hono@4.9.2: {}
+  hono@4.12.21: {}
 
   http-errors@2.0.0:
     dependencies: