diff --git a/package-lock.json b/package-lock.json
index 8ed1fa1..9b10fd6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "cli-microsoft365-mcp-server": "dist/index.js"
       },
       "devDependencies": {
-        "@types/node": "24.7.0",
+        "@types/node": "24.9.0",
         "ts-node": "10.9.2",
         "typescript": "5.9.3"
       },
@@ -116,13 +116,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.7.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.7.0.tgz",
-      "integrity": "sha512-IbKooQVqUBrlzWTi79E8Fw78l8k1RNtlDDNWsFZs7XonuQSJ8oNYfEeclhprUldXISRMLzBpILuKgPlIxm+/Yw==",
+      "version": "24.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.9.0.tgz",
+      "integrity": "sha512-MKNwXh3seSK8WurXF7erHPJ2AONmMwkI7zAMrXZDPIru8jRqkk6rGDBVbw4mLwfqA+ZZliiDPg05JQ3uW66tKQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.14.0"
+        "undici-types": "~7.16.0"
       }
     },
     "node_modules/accepts": {
@@ -1186,9 +1186,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.14.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.14.0.tgz",
-      "integrity": "sha512-QQiYxHuyZ9gQUIrmPo3IA+hUl4KYk8uSA7cHrcKd/l3p1OTpZcM0Tbp9x7FAtXdAYhlasd60ncPpgu6ihG6TOA==",
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 9ae4f2d..15c135f 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@modelcontextprotocol/sdk": "1.19.1"
   },
   "devDependencies": {
-    "@types/node": "24.7.0",
+    "@types/node": "24.9.0",
     "ts-node": "10.9.2",
     "typescript": "5.9.3"
   }