diff --git a/mcp-server/package.json b/mcp-server/package.json
index f4692e7..43c832a 100644
--- a/mcp-server/package.json
+++ b/mcp-server/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@hono/node-server": "^1.13.2",
     "@hono/zod-openapi": "^0.18.3",
-    "hono": "^4.6.14",
+    "hono": "^4.12.16",
     "zod": "^3.23.8"
   },
   "devDependencies": {
diff --git a/mcp-server/pnpm-lock.yaml b/mcp-server/pnpm-lock.yaml
index e2cb6d2..00b553d 100644
--- a/mcp-server/pnpm-lock.yaml
+++ b/mcp-server/pnpm-lock.yaml
@@ -10,13 +10,13 @@ importers:
     dependencies:
       '@hono/node-server':
         specifier: ^1.13.2
-        version: 1.19.14(hono@4.12.14)
+        version: 1.19.14(hono@4.12.16)
       '@hono/zod-openapi':
         specifier: ^0.18.3
-        version: 0.18.4(hono@4.12.14)(zod@3.25.76)
+        version: 0.18.4(hono@4.12.16)(zod@3.25.76)
       hono:
-        specifier: ^4.6.14
-        version: 4.12.14
+        specifier: ^4.12.16
+        version: 4.12.16
       zod:
         specifier: ^3.23.8
         version: 3.25.76
@@ -229,8 +229,8 @@ packages:
   get-tsconfig@4.14.0:
     resolution: {integrity: sha512-yTb+8DXzDREzgvYmh6s9vHsSVCHeC0G3PI5bEXNBHtmshPnO+S5O7qgLEOn0I5QvMy6kpZN8K1NKGyilLb93wA==}
 
-  hono@4.12.14:
-    resolution: {integrity: sha512-am5zfg3yu6sqn5yjKBNqhnTX7Cv+m00ox+7jbaKkrLMRJ4rAdldd1xPd/JzbBWspqaQv6RSTrgFN95EsfhC+7w==}
+  hono@4.12.16:
+    resolution: {integrity: sha512-jN0ZewiNAWSe5khM3EyCmBb250+b40wWbwNILNfEvq84VREWwOIkuUsFONk/3i3nqkz7Oe1PcpM2mwQEK2L9Kg==}
     engines: {node: '>=16.9.0'}
 
   openapi3-ts@4.5.0:
@@ -345,20 +345,20 @@ snapshots:
   '@esbuild/win32-x64@0.27.7':
     optional: true
 
-  '@hono/node-server@1.19.14(hono@4.12.14)':
+  '@hono/node-server@1.19.14(hono@4.12.16)':
     dependencies:
-      hono: 4.12.14
+      hono: 4.12.16
 
-  '@hono/zod-openapi@0.18.4(hono@4.12.14)(zod@3.25.76)':
+  '@hono/zod-openapi@0.18.4(hono@4.12.16)(zod@3.25.76)':
     dependencies:
       '@asteasolutions/zod-to-openapi': 7.3.4(zod@3.25.76)
-      '@hono/zod-validator': 0.4.3(hono@4.12.14)(zod@3.25.76)
-      hono: 4.12.14
+      '@hono/zod-validator': 0.4.3(hono@4.12.16)(zod@3.25.76)
+      hono: 4.12.16
       zod: 3.25.76
 
-  '@hono/zod-validator@0.4.3(hono@4.12.14)(zod@3.25.76)':
+  '@hono/zod-validator@0.4.3(hono@4.12.16)(zod@3.25.76)':
     dependencies:
-      hono: 4.12.14
+      hono: 4.12.16
       zod: 3.25.76
 
   '@types/node@22.19.17':
@@ -401,7 +401,7 @@ snapshots:
     dependencies:
       resolve-pkg-maps: 1.0.0
 
-  hono@4.12.14: {}
+  hono@4.12.16: {}
 
   openapi3-ts@4.5.0:
     dependencies: