diff --git a/package.json b/package.json
index dec2ce0..439f533 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "packageManager": "pnpm@10.8.1",
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.27.1",
-    "hono": "^4.12.4",
+    "hono": "^4.12.5",
     "zod": "^4.3.6",
     "zod-to-json-schema": "^3.25.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3b241e4..4adcfda 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,7 +18,7 @@ importers:
         version: 1.27.1(zod@4.3.6)
       hono:
         specifier: '>=4.11.4'
-        version: 4.12.4
+        version: 4.12.5
       zod:
         specifier: ^4.3.6
         version: 4.3.6
@@ -1079,8 +1079,8 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
-  hono@4.12.4:
-    resolution: {integrity: sha512-ooiZW1Xy8rQ4oELQ++otI2T9DsKpV0M6c6cO6JGx4RTfav9poFFLlet9UMXHZnoM1yG0HWGlQLswBGX3RZmHtg==}
+  hono@4.12.5:
+    resolution: {integrity: sha512-3qq+FUBtlTHhtYxbxheZgY8NIFnkkC/MR8u5TTsr7YZ3wixryQ3cCwn3iZbg8p8B88iDBBAYSfZDS75t8MN7Vg==}
     engines: {node: '>=16.9.0'}
 
   html-escaper@2.0.2:
@@ -1825,9 +1825,9 @@ snapshots:
       '@eslint/core': 0.17.0
       levn: 0.4.1
 
-  '@hono/node-server@1.19.9(hono@4.12.4)':
+  '@hono/node-server@1.19.9(hono@4.12.5)':
     dependencies:
-      hono: 4.12.4
+      hono: 4.12.5
 
   '@humanfs/core@0.19.1': {}
 
@@ -1851,7 +1851,7 @@ snapshots:
 
   '@modelcontextprotocol/sdk@1.27.1(zod@4.3.6)':
     dependencies:
-      '@hono/node-server': 1.19.9(hono@4.12.4)
+      '@hono/node-server': 1.19.9(hono@4.12.5)
       ajv: 8.18.0
       ajv-formats: 3.0.1(ajv@8.18.0)
       content-type: 1.0.5
@@ -1861,7 +1861,7 @@ snapshots:
       eventsource-parser: 3.0.6
       express: 5.2.1
       express-rate-limit: 8.2.1(express@5.2.1)
-      hono: 4.12.4
+      hono: 4.12.5
       jose: 6.1.3
       json-schema-typed: 8.0.2
       pkce-challenge: 5.0.1
@@ -2536,7 +2536,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  hono@4.12.4: {}
+  hono@4.12.5: {}
 
   html-escaper@2.0.2: {}