diff --git a/package-lock.json b/package-lock.json
index d19edeb..6ca24c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
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       "devDependencies": {
         "@types/jsdom": "^28.0.3",
-        "@types/node": "^22.10.5",
+        "@types/node": "^26.1.1",
         "@types/vscode": "^1.96.0",
         "@typescript-eslint/eslint-plugin": "^8.20.0",
         "@typescript-eslint/parser": "^8.20.0",
@@ -1733,13 +1733,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.20.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.20.1.tgz",
-      "integrity": "sha512-EANqOCF9QFyra+4pfxUcX9STKJpCLjMbObVzljIJomAWSnuSIEAvyzEU53GaajbXJEgdh0iEcPL+DGvpUd4k1Q==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6725,9 +6725,9 @@
       }
     },
     "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==",
+      "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 94e5423..9ca40c3 100644
--- a/package.json
+++ b/package.json
@@ -234,7 +234,7 @@
   },
   "devDependencies": {
     "@types/jsdom": "^28.0.3",
-    "@types/node": "^22.10.5",
+    "@types/node": "^26.1.1",
     "@types/vscode": "^1.96.0",
     "@typescript-eslint/eslint-plugin": "^8.20.0",
     "@typescript-eslint/parser": "^8.20.0",