diff --git a/package-lock.json b/package-lock.json
index 754829f..28234ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "devDependencies": {
         "@eslint/js": "^10.0.1",
         "@types/mocha": "^10.0.10",
-        "@types/node": "22.x",
+        "@types/node": "26.x",
         "@types/vscode": "^1.125.0",
         "@vscode/test-cli": "^0.0.12",
         "@vscode/test-electron": "^3.0.0",
@@ -915,13 +915,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.19.21",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.21.tgz",
-      "integrity": "sha512-VMeFBSCKQKmm2swI2kW51SFusDqekC6q9trBCvJ/JliDchFSuoYYKN7yVNjPthP1HKZcx3U1gI/wTcEBjEFKTA==",
+      "version": "26.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.0.tgz",
+      "integrity": "sha512-vf2YFi1iY9lHGwNJMs01biZFbKJkrZR1T6/MlzjhJLPdntOHLhTrDSnSVcdtvjihi4VQNlrFRIxLsDBlQpAipA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6204,9 +6204,9 @@
       }
     },
     "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 89053f7..7b625ee 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
   "devDependencies": {
     "@eslint/js": "^10.0.1",
     "@types/mocha": "^10.0.10",
-    "@types/node": "22.x",
+    "@types/node": "26.x",
     "@types/vscode": "^1.125.0",
     "@vscode/test-cli": "^0.0.12",
     "@vscode/test-electron": "^3.0.0",