diff --git a/package-lock.json b/package-lock.json
index be9be1b..ebd0a3d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "@types/chai-fs": "^2.0.5",
         "@types/fs-extra": "^11.0.4",
         "@types/mocha": "^10.0.10",
-        "@types/node": "22.x",
+        "@types/node": "26.x",
         "@types/vscode": "^1.65.0",
         "@vscode/test-electron": "^3.1.0",
         "chai": "^4.5.0",
@@ -590,13 +590,13 @@
       "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": "26.2.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
+      "integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/vscode": {
@@ -5323,9 +5323,9 @@
       }
     },
     "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 e96ba91..2edf0bc 100644
--- a/package.json
+++ b/package.json
@@ -300,7 +300,7 @@
     "@types/chai-fs": "^2.0.5",
     "@types/fs-extra": "^11.0.4",
     "@types/mocha": "^10.0.10",
-    "@types/node": "22.x",
+    "@types/node": "26.x",
     "@types/vscode": "^1.65.0",
     "@vscode/test-electron": "^3.1.0",
     "chai": "^4.5.0",