diff --git a/gemini-extension/package-lock.json b/gemini-extension/package-lock.json
index 7ef30e3..0edd8a8 100644
--- a/gemini-extension/package-lock.json
+++ b/gemini-extension/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.29.0",
+        "@modelcontextprotocol/sdk": "^1.31.0",
         "flexsearch": "^0.7.43",
         "zod": "^4.3.6"
       },
@@ -76,12 +76,12 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.29.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.29.0.tgz",
-      "integrity": "sha512-zo37mZA9hJWpULgkRpowewez1y6ML5GsXJPY8FI0tBBCd77HEvza4jDqRKOXgHNn867PVGCyTdzqpz0izu5ZjQ==",
+      "version": "1.31.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.31.0.tgz",
+      "integrity": "sha512-UvTMgnNlnIBO/22ob2RcVGDlcvOslQs8T59+FTGdA0L27a39fdGF/EDETNtDVK4DZGpwomlsYpRdA8UXcVL/pw==",
       "license": "MIT",
       "dependencies": {
-        "@hono/node-server": "^1.19.9",
+        "@hono/node-server": "^1.19.9 || ^2.0.5",
         "ajv": "^8.17.1",
         "ajv-formats": "^3.0.1",
         "content-type": "^1.0.5",
diff --git a/gemini-extension/package.json b/gemini-extension/package.json
index 3ad3847..0c5872b 100644
--- a/gemini-extension/package.json
+++ b/gemini-extension/package.json
@@ -17,7 +17,7 @@
   "license": "ISC",
   "type": "module",
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.29.0",
+    "@modelcontextprotocol/sdk": "^1.31.0",
     "zod": "^4.3.6",
     "flexsearch": "^0.7.43"
   },