diff --git a/backend/package-lock.json b/backend/package-lock.json
index 31398147..235af1ec 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/claude-code": "2.0.74",
-        "@hono/node-server": "^1.0.0",
+        "@hono/node-server": "^2.0.10",
         "@logtape/logtape": "^1.0.0",
         "@logtape/pretty": "^1.0.0",
         "commander": "^14.0.0",
@@ -33,6 +33,9 @@
       },
       "engines": {
         "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "@anthropic-ai/claude-code": "2.0.74"
       }
     },
     "node_modules/@anthropic-ai/claude-code": {
@@ -641,12 +644,12 @@
       }
     },
     "node_modules/@hono/node-server": {
-      "version": "1.19.2",
-      "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-1.19.2.tgz",
-      "integrity": "sha512-lndWsd9De/btN998Aiv6gkeMVV2h9Cc0AR0qwFTmxx/YFh/PbrjgoxTpHaNaRn6F4GAkPiVJwI0W0gQF4Wn8EA==",
+      "version": "2.0.10",
+      "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-2.0.10.tgz",
+      "integrity": "sha512-ZcnNVhKTmyDJeg0UlnZjvM73JBsTAuhrH/J4fjwGOw59PwOW51r4J+p6CsKZWXdKSme4MFqU62CZMOsdDrU4CA==",
       "license": "MIT",
       "engines": {
-        "node": ">=18.14.1"
+        "node": ">=20"
       },
       "peerDependencies": {
         "hono": "^4"
diff --git a/backend/package.json b/backend/package.json
index 55c0e3d2..2c3a33bc 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -55,7 +55,7 @@
   },
   "dependencies": {
     "@anthropic-ai/claude-code": "2.0.74",
-    "@hono/node-server": "^1.0.0",
+    "@hono/node-server": "^2.0.10",
     "@logtape/logtape": "^1.0.0",
     "@logtape/pretty": "^1.0.0",
     "commander": "^14.0.0",