diff --git a/package-lock.json b/package-lock.json
index 0ad83300..c563a8eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@nlib/changelog": "0.3.2",
         "@nlib/eslint-config": "3.20.5",
         "@nlib/githooks": "0.2.2",
-        "@types/node": "20.12.2",
+        "@types/node": "26.1.1",
         "@types/semver": "7.7.1",
         "@typescript-eslint/eslint-plugin": "6.21.0",
         "@typescript-eslint/parser": "6.21.0",
@@ -469,12 +469,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.12.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.2.tgz",
-      "integrity": "sha512-zQ0NYO87hyN6Xrclcqp7f8ZbXNbRfoGWNcMvHTPQp9UUrwI0mI7XBz+cu7/W6/VClYo2g63B0cjull/srU7LgQ==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/semver": {
@@ -5194,10 +5195,11 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
-      "dev": true
+      "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"
     },
     "node_modules/uri-js": {
       "version": "4.4.1",
@@ -5711,12 +5713,12 @@
       "dev": true
     },
     "@types/node": {
-      "version": "20.12.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.2.tgz",
-      "integrity": "sha512-zQ0NYO87hyN6Xrclcqp7f8ZbXNbRfoGWNcMvHTPQp9UUrwI0mI7XBz+cu7/W6/VClYo2g63B0cjull/srU7LgQ==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "requires": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~8.3.0"
       }
     },
     "@types/semver": {
@@ -9017,9 +9019,9 @@
       }
     },
     "undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true
     },
     "uri-js": {
diff --git a/package.json b/package.json
index 581572b1..e6673893 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@nlib/changelog": "0.3.2",
     "@nlib/eslint-config": "3.20.5",
     "@nlib/githooks": "0.2.2",
-    "@types/node": "20.12.2",
+    "@types/node": "26.1.1",
     "@types/semver": "7.7.1",
     "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.21.0",