diff --git a/package-lock.json b/package-lock.json
index 58fd6a9..8ee5ade 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.5.2",
       "license": "MIT",
       "devDependencies": {
-        "@types/node": "^20.x",
+        "@types/node": "^25.x",
         "@types/vscode": "^1.85.0",
         "@typescript-eslint/eslint-plugin": "^8.57.0",
         "@typescript-eslint/parser": "^8.57.2",
@@ -647,12 +647,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.19.33",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.33.tgz",
-      "integrity": "sha512-Rs1bVAIdBs5gbTIKza/tgpMuG1k3U/UMJLWecIMxNdJFDMzcM5LOiLVRYh3PilWEYDIeUDv7bpiHPLPsbydGcw==",
+      "version": "25.5.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.0.tgz",
+      "integrity": "sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.18.0"
       }
     },
     "node_modules/@types/vscode": {
@@ -2842,10 +2843,11 @@
       }
     },
     "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
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/uri-js": {
       "version": "4.4.1",
diff --git a/package.json b/package.json
index b595bdb..a2af1bb 100644
--- a/package.json
+++ b/package.json
@@ -181,7 +181,7 @@
     "test:coverage": "vitest run --coverage"
   },
   "devDependencies": {
-    "@types/node": "^20.x",
+    "@types/node": "^25.x",
     "@types/vscode": "^1.85.0",
     "@typescript-eslint/eslint-plugin": "^8.57.0",
     "@typescript-eslint/parser": "^8.57.2",