diff --git a/package.json b/package.json
index b547f69..c9f110f 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "devDependencies": {
     "@hono/mcp": "0.1.5",
-    "@hono/node-server": "^1.13.7",
+    "@hono/node-server": "^2.1.5",
     "@modelcontextprotocol/sdk": "1.24.3",
     "hono": "4.13.13",
     "tsx": "^4.19.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c1f3f5a..851e1ad 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: 0.1.5
         version: 0.1.5(@modelcontextprotocol/sdk@1.24.3(zod@4.1.13))(hono@4.13.13)
       '@hono/node-server':
-        specifier: ^1.13.7
-        version: 1.19.17(hono@4.13.13)
+        specifier: ^2.1.5
+        version: 2.1.5(hono@4.13.13)
       '@modelcontextprotocol/sdk':
         specifier: 1.24.3
         version: 1.24.3(zod@4.1.13)
@@ -191,11 +191,11 @@ packages:
       '@modelcontextprotocol/sdk': ^1.12.0
       hono: '>=4.0.0'
 
-  '@hono/node-server@1.19.17':
-    resolution: {integrity: sha512-dSneS5qhiauZWGDCeK4o695Xd9nUNjviSZCMQrj10eetr8Uln1ucn6bbphOM6UynAMMtNIzZNSpL9vnASJwrPQ==}
-    engines: {node: '>=18.14.1'}
+  '@hono/node-server@2.1.5':
+    resolution: {integrity: sha512-MgP/I06GdvsilDspMk/qmRzpk8LOUStP6jFAbSRi40W09DhoyUn+Mj7eyKICPqeYKybOjVFLVIAQzvu1bfIa7Q==}
+    engines: {node: '>=20'}
     peerDependencies:
-      hono: ^4
+      hono: ^4 || ^5.0.0-0
 
   '@modelcontextprotocol/sdk@1.24.3':
     resolution: {integrity: sha512-YgSHW29fuzKKAHTGe9zjNoo+yF8KaQPzDC2W9Pv41E7/57IfY+AMGJ/aDFlgTLcVVELoggKE4syABCE75u3NCw==}
@@ -654,7 +654,7 @@ snapshots:
       '@modelcontextprotocol/sdk': 1.24.3(zod@4.1.13)
       hono: 4.13.13
 
-  '@hono/node-server@1.19.17(hono@4.13.13)':
+  '@hono/node-server@2.1.5(hono@4.13.13)':
     dependencies:
       hono: 4.13.13