diff --git a/package-lock.json b/package-lock.json
index c841a98..a26dc19 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.2.3",
       "license": "Apache-2.0",
       "dependencies": {
-        "@modelcontextprotocol/server": "^2.1.0",
+        "@modelcontextprotocol/server": "^2.3.1",
         "zod": "^4.6.5"
       },
       "bin": {
@@ -490,6 +490,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/@modelcontextprotocol/core/-/core-2.1.0.tgz",
       "integrity": "sha512-YdFj5gMRHr0gYNAhTbQDgjLHiEJdIAUYxomhKseUNye7ZGlISQmUoLh2sveFFCiQ7j2YMffT1kgSND0FSfIFjQ==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "zod": "^4.2.0"
@@ -499,12 +500,24 @@
       }
     },
     "node_modules/@modelcontextprotocol/server": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/server/-/server-2.1.0.tgz",
-      "integrity": "sha512-FdvwZU5N03O77Suh35JqjAqq5R1ZTEPFtwu6N4BgBq28qrQtrCnpbLL5U2pwYCuE194jAw0xnlOVmIqhfoYuUQ==",
-      "license": "MIT",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/server/-/server-2.3.1.tgz",
+      "integrity": "sha512-e59MfWuSssj6DoQ96JCTqdW1AXT5/XtnTl0WWd6MU1Ka434fFUGGosCLJbGNySDhHGvxQWoRWK137FXYFkYNWw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@modelcontextprotocol/core": "2.3.1",
+        "zod": "^4.2.0"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/@modelcontextprotocol/server/node_modules/@modelcontextprotocol/core": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/core/-/core-2.3.1.tgz",
+      "integrity": "sha512-laVmIhPGpWi7rG9q+0UigblRN0Hws/Yjlb6qLFtVqryXVLkc4h+yN8z731POD2LnAGQlFe7/tXhUm7Bi0YB91g==",
+      "license": "Apache-2.0",
       "dependencies": {
-        "@modelcontextprotocol/core": "2.1.0",
         "zod": "^4.2.0"
       },
       "engines": {
diff --git a/package.json b/package.json
index 74bf469..916837a 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "typescript": "^5.9.0"
   },
   "dependencies": {
-    "@modelcontextprotocol/server": "^2.1.0",
+    "@modelcontextprotocol/server": "^2.3.1",
     "zod": "^4.6.5"
   }
 }