diff --git a/package-lock.json b/package-lock.json
index 1d0ffa0..918f0a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@hono/node-server": "^1.19.13",
         "@modelcontextprotocol/sdk": "^1.4.0",
         "ajv": "^8.18.0",
-        "hono": "^4.12.14",
+        "hono": "^4.12.18",
         "js-yaml": "^4.1.0",
         "zod": "^4.3.6"
       },
@@ -1150,9 +1150,9 @@
       }
     },
     "node_modules/hono": {
-      "version": "4.12.14",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.14.tgz",
-      "integrity": "sha512-am5zfg3yu6sqn5yjKBNqhnTX7Cv+m00ox+7jbaKkrLMRJ4rAdldd1xPd/JzbBWspqaQv6RSTrgFN95EsfhC+7w==",
+      "version": "4.12.18",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
+      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/package.json b/package.json
index bc9a621..01516de 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@hono/node-server": "^1.19.13",
     "@modelcontextprotocol/sdk": "^1.4.0",
     "ajv": "^8.18.0",
-    "hono": "^4.12.14",
+    "hono": "^4.12.18",
     "js-yaml": "^4.1.0",
     "zod": "^4.3.6"
   },