diff --git a/package-lock.json b/package-lock.json
index 9321107..122bc39 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -872,13 +872,12 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.19.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.10.tgz",
-      "integrity": "sha512-iAFpG6DokED3roLSP0K+ybeDdIX6Bc0Vd3mLW5uDqThPWtNos3E+EqOM11mPQHKzfWHqEBuLjIlsBQQ8CsISmQ==",
+      "version": "25.3.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.5.tgz",
+      "integrity": "sha512-oX8xrhvpiyRCQkG1MFchB09f+cXftgIXb3a7UUa4Y3wpmZPw5tyZGTLWhlESOLq1Rq6oDlc8npVU2/9xiCuXMA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.18.0"
       }
     },
     "node_modules/@vitest/expect": {
@@ -2313,11 +2312,10 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
-      "dev": true,
-      "license": "MIT"
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "dev": true
     },
     "node_modules/unpipe": {
       "version": "1.0.0",
@@ -2564,7 +2562,7 @@
         "bookstack-mcp": "dist/index.js"
       },
       "devDependencies": {
-        "@types/node": "^20.10.0",
+        "@types/node": "^25.3.5",
         "tsx": "^4.21.0",
         "typescript": "^5.3.0"
       }
diff --git a/packages/stdio/package.json b/packages/stdio/package.json
index 18b5de3..2d2d50d 100644
--- a/packages/stdio/package.json
+++ b/packages/stdio/package.json
@@ -19,7 +19,7 @@
     "zod": "^3.25.76"
   },
   "devDependencies": {
-    "@types/node": "^20.10.0",
+    "@types/node": "^25.3.5",
     "tsx": "^4.21.0",
     "typescript": "^5.3.0"
   }