diff --git a/package-lock.json b/package-lock.json
index b9b06f7..ced9611 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "azure-pipelines-task-lib": "^5.2.11"
       },
       "devDependencies": {
-        "@types/node": "^25.x",
+        "@types/node": "^26.x",
         "esbuild": "^0.28.1",
         "eslint": "^10.5.0",
         "tfx-cli": "^0.23.1",
@@ -1105,13 +1105,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
-      "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+      "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": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
@@ -6590,9 +6590,9 @@
       "license": "MIT"
     },
     "node_modules/undici-types": {
-      "version": "7.24.6",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
-      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "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 39d7c00..1310052 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "publish:dev": "npm run bundle && npx tfx extension publish --manifest-globs vss-extension.dev.json"
   },
   "devDependencies": {
-    "@types/node": "^25.x",
+    "@types/node": "^26.x",
     "esbuild": "^0.28.1",
     "eslint": "^10.5.0",
     "tfx-cli": "^0.23.1",