diff --git a/package-lock.json b/package-lock.json
index c951aa3..4a1a2ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@eslint/js": "^10.0.1",
         "@types/jsdom": "^30.0.0",
         "@types/mocha": "^10.0.10",
-        "@types/node": "^22.20.1",
+        "@types/node": "^26.5.1",
         "@types/vscode": "~1.96.0",
         "@vscode/test-electron": "^3.1.0",
         "@vscode/vsce": "^3.9.2",
@@ -1525,19 +1525,19 @@
       "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": "26.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.5.1.tgz",
+      "integrity": "sha512-CzNm2FezW4VR/LjG6yUdiEgLE/rAQ9Slj5gCu/C2VrdcW7I0ahNZ8DRbHT7zOZ6r3ONgd/bsQIeSaoDGrd1C6g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/node/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": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index a9cbb5c..7534658 100644
--- a/package.json
+++ b/package.json
@@ -470,7 +470,7 @@
     "@eslint/js": "^10.0.1",
     "@types/jsdom": "^30.0.0",
     "@types/mocha": "^10.0.10",
-    "@types/node": "^22.20.1",
+    "@types/node": "^26.5.1",
     "@types/vscode": "~1.96.0",
     "@vscode/test-electron": "^3.1.0",
     "@vscode/vsce": "^3.9.2",