diff --git a/package-lock.json b/package-lock.json
index a8ed9cf..c94dd4f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
       "devDependencies": {
         "@eslint/js": "^9.39.4",
         "@modelcontextprotocol/client": "^2.0.0",
-        "@types/node": "^25.5.2",
+        "@types/node": "^26.3.0",
         "@vitest/coverage-v8": "^3.2.0",
         "eslint": "^9.39.4",
         "eslint-config-prettier": "^10.1.8",
@@ -1302,11 +1302,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.5.2",
+      "version": "26.3.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.3.0.tgz",
+      "integrity": "sha512-L3fgrnchriRC2ExBflb8j4uZZURHZfQsmQeyVzhjcHW4kkwVyo8/0h1B2MVzMTrYUJYu6G7EWs14hW/L9putqw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
@@ -4644,7 +4646,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 8a793c3..b21e79e 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
   "devDependencies": {
     "@eslint/js": "^9.39.4",
     "@modelcontextprotocol/client": "^2.0.0",
-    "@types/node": "^25.5.2",
+    "@types/node": "^26.3.0",
     "@vitest/coverage-v8": "^3.2.0",
     "eslint": "^9.39.4",
     "eslint-config-prettier": "^10.1.8",