diff --git a/package-lock.json b/package-lock.json
index 894ff12..a6a96ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.7.0",
       "license": "MIT",
       "devDependencies": {
-        "@types/node": "22.x",
+        "@types/node": "26.x",
         "@types/vscode": "^1.85.0",
         "eslint": "^9.39.3",
         "prettier": "^3.8.3",
@@ -374,13 +374,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.19.19",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.19.tgz",
-      "integrity": "sha512-dyh/xO2Fh5bYrfWaaqGrRQQGkNdmYw6AmaAUvYeUMNTWQtvb796ikLdmTchRmOlOiIJ1TDXfWgVx1QkUlQ6Hew==",
+      "version": "26.0.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.1.tgz",
+      "integrity": "sha512-fc3KiUoBt6kie0N9bIW3E47vZsuaMf0PM2AaUpLCLT0s/LvX1nxAim6Fc049cNxODPpGm6qRAuUOB86SkRuPQw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/vscode": {
@@ -2434,9 +2434,9 @@
       }
     },
     "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 06f0b5a..9f9a1b2 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "@types/node": "22.x",
+    "@types/node": "26.x",
     "@types/vscode": "^1.85.0",
     "eslint": "^9.39.3",
     "prettier": "^3.8.3",