diff --git a/package.json b/package.json
index f344a3c..350c5be 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "onlyBuiltDependencies": [],
     "overrides": {
       "vite": "^8.0.5",
-      "hono": ">=4.12.14",
+      "hono": ">=4.12.18",
       "postcss": "8.5.12"
     }
   }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a5fa271..baa46b8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,7 +6,7 @@ settings:
 
 overrides:
   vite: ^8.0.5
-  hono: '>=4.12.14'
+  hono: '>=4.12.18'
   postcss: 8.5.12
 
 importers:
@@ -381,7 +381,7 @@ packages:
     resolution: {integrity: sha512-TsQLe4i2gvoTtrHje625ngThGBySOgSK3Xo2XRYOdqGN1teR8+I7vchQC46uLJi8OF62YTYA3AhSpumtkhsaKQ==}
     engines: {node: '>=18.14.1'}
     peerDependencies:
-      hono: '>=4.12.14'
+      hono: '>=4.12.18'
 
   '@humanfs/core@0.19.1':
     resolution: {integrity: sha512-5DyQ4+1JEUzejeK1JGICcideyfUbGixgS9jNgex5nqkW+cY7WZhxBigmieN5Qnw9ZosSNVC9KQKyb+GUaGyKUA==}
@@ -1072,8 +1072,8 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
-  hono@4.12.14:
-    resolution: {integrity: sha512-am5zfg3yu6sqn5yjKBNqhnTX7Cv+m00ox+7jbaKkrLMRJ4rAdldd1xPd/JzbBWspqaQv6RSTrgFN95EsfhC+7w==}
+  hono@4.12.18:
+    resolution: {integrity: sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==}
     engines: {node: '>=16.9.0'}
 
   http-cache-semantics@4.2.0:
@@ -2032,9 +2032,9 @@ snapshots:
     dependencies:
       zod: 4.3.6
 
-  '@hono/node-server@1.19.13(hono@4.12.14)':
+  '@hono/node-server@1.19.13(hono@4.12.18)':
     dependencies:
-      hono: 4.12.14
+      hono: 4.12.18
 
   '@humanfs/core@0.19.1': {}
 
@@ -2068,7 +2068,7 @@ snapshots:
 
   '@modelcontextprotocol/sdk@1.29.0(zod@4.3.6)':
     dependencies:
-      '@hono/node-server': 1.19.13(hono@4.12.14)
+      '@hono/node-server': 1.19.13(hono@4.12.18)
       ajv: 8.18.0
       ajv-formats: 3.0.1(ajv@8.18.0)
       content-type: 1.0.5
@@ -2078,7 +2078,7 @@ snapshots:
       eventsource-parser: 3.0.6
       express: 5.2.1
       express-rate-limit: 8.3.2(express@5.2.1)
-      hono: 4.12.14
+      hono: 4.12.18
       jose: 6.2.2
       json-schema-typed: 8.0.2
       pkce-challenge: 5.0.1
@@ -2790,7 +2790,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  hono@4.12.14: {}
+  hono@4.12.18: {}
 
   http-cache-semantics@4.2.0:
     optional: true