diff --git a/mcp-server/package.json b/mcp-server/package.json
index cfa9bb8..25d140e 100644
--- a/mcp-server/package.json
+++ b/mcp-server/package.json
@@ -18,7 +18,7 @@
     "lint:fix": "eslint . --fix"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.17.5",
+    "@modelcontextprotocol/sdk": "^1.20.0",
     "@turn-based-mcp/shared": "file:../shared"
   },
   "devDependencies": {
diff --git a/package-lock.json b/package-lock.json
index f355b5a..5d48640 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
       "name": "@turn-based-mcp/mcp-server",
       "version": "1.0.0",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.17.5",
+        "@modelcontextprotocol/sdk": "^1.20.0",
         "@turn-based-mcp/shared": "file:../shared"
       },
       "devDependencies": {
@@ -1869,9 +1869,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.17.5",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.17.5.tgz",
-      "integrity": "sha512-QakrKIGniGuRVfWBdMsDea/dx1PNE739QJ7gCM41s9q+qaCYTHCdsIBXQVVXry3mfWAiaM9kT22Hyz53Uw8mfg==",
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.20.0.tgz",
+      "integrity": "sha512-kOQ4+fHuT4KbR2iq2IjeV32HiihueuOf1vJkq18z08CLZ1UQrTc8BXJpVfxZkq45+inLLD+D4xx4nBjUelJa4Q==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^6.12.6",