diff --git a/package-lock.json b/package-lock.json
index c130c877..2c52b137 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       },
       "devDependencies": {
         "@types/mocha": "^10.0.1",
-        "@types/node": "25.9.2",
+        "@types/node": "26.1.0",
         "@types/semver": "^7.5.8",
         "@types/sinon": "^21.0.1",
         "@types/tmp": "^0.2.3",
@@ -962,13 +962,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.2.tgz",
-      "integrity": "sha512-G05zqtJhcDLb8uslf5EjCxXg9G1KQxiV8OS0R26IC//Eoyitzqe8z37I7cqvnZlrlSfgocQRfSn/AHBZJJFyGw==",
+      "version": "26.1.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.0.tgz",
+      "integrity": "sha512-O0A1G3xPGy4w7AgQdAQYUlQ+BKk2Oovw8eRpofyp5KdBZULnbe+WqaOVNrm705SHphCiG4XHsACrSmPu1f+Kgw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -6322,9 +6322,9 @@
       }
     },
     "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 5d0fbe75..9cb60e5d 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.1",
-    "@types/node": "25.9.2",
+    "@types/node": "26.1.0",
     "@types/semver": "^7.5.8",
     "@types/sinon": "^21.0.1",
     "@types/tmp": "^0.2.3",