diff --git a/package-lock.json b/package-lock.json
index 8ed1fa1..7540ac5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.15",
       "license": "MIT",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "1.19.1"
+        "@modelcontextprotocol/sdk": "1.20.1"
       },
       "bin": {
         "cli-microsoft365-mcp-server": "dist/index.js"
@@ -65,9 +65,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.19.1",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.19.1.tgz",
-      "integrity": "sha512-3Y2h3MZKjec1eAqSTBclATlX+AbC6n1LgfVzRMJLt3v6w0RCYgwLrjbxPDbhsYHt6Wdqc/aCceNJYgj448ELQQ==",
+      "version": "1.20.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.20.1.tgz",
+      "integrity": "sha512-j/P+yuxXfgxb+mW7OEoRCM3G47zCTDqUPivJo/VzpjbG8I9csTXtOprCf5FfOfHK4whOJny0aHuBEON+kS7CCA==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^6.12.6",
diff --git a/package.json b/package.json
index 9ae4f2d..e6baad5 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "inspect": "npx -y @modelcontextprotocol/inspector node dist/index.js"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "1.19.1"
+    "@modelcontextprotocol/sdk": "1.20.1"
   },
   "devDependencies": {
     "@types/node": "24.7.0",