diff --git a/package-lock.json b/package-lock.json
index b8e20e40..720eaedb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
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         "@nlib/eslint-config": "3.20.2",
         "@nlib/githooks": "0.2.2",
-        "@types/node": "20.19.35",
+        "@types/node": "25.3.3",
         "@typescript-eslint/eslint-plugin": "6.21.0",
         "@typescript-eslint/parser": "6.21.0",
         "ava": "5.3.1",
@@ -319,12 +319,12 @@
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     },
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.35.tgz",
-      "integrity": "sha512-Uarfe6J91b9HAUXxjvSOdiO2UPOKLm07Q1oh0JHxoZ1y8HoqxDAu3gVrsrOHeiio0kSsoVBt4wFrKOm0dKxVPQ==",
+      "version": "25.3.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.3.tgz",
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       "dev": true,
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.18.0"
       }
     },
     "node_modules/@types/semver": {
@@ -5007,9 +5007,9 @@
       }
     },
     "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": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
       "dev": true
     },
     "node_modules/uri-js": {
@@ -5440,12 +5440,12 @@
       "dev": true
     },
     "@types/node": {
-      "version": "20.19.35",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.35.tgz",
-      "integrity": "sha512-Uarfe6J91b9HAUXxjvSOdiO2UPOKLm07Q1oh0JHxoZ1y8HoqxDAu3gVrsrOHeiio0kSsoVBt4wFrKOm0dKxVPQ==",
+      "version": "25.3.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.3.tgz",
+      "integrity": "sha512-DpzbrH7wIcBaJibpKo9nnSQL0MTRdnWttGyE5haGwK86xgMOkFLp7vEyfQPGLOJh5wNYiJ3V9PmUMDhV9u8kkQ==",
       "dev": true,
       "requires": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.18.0"
       }
     },
     "@types/semver": {
@@ -8707,9 +8707,9 @@
       }
     },
     "undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
       "dev": true
     },
     "uri-js": {
diff --git a/package.json b/package.json
index ff8629ad..80069078 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "@nlib/changelog": "0.3.2",
     "@nlib/eslint-config": "3.20.2",
     "@nlib/githooks": "0.2.2",
-    "@types/node": "20.19.35",
+    "@types/node": "25.3.3",
     "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.21.0",
     "ava": "5.3.1",