diff --git a/package-lock.json b/package-lock.json
index d5b646a2..6fb6357e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       "devDependencies": {
         "@nlib/changelog": "0.3.1",
         "@nlib/eslint-config": "3.20.5",
-        "@types/node": "20.11.29",
+        "@types/node": "20.12.4",
         "@typescript-eslint/eslint-plugin": "6.21.0",
         "@typescript-eslint/parser": "6.21.0",
         "ava": "5.3.1",
@@ -354,9 +354,9 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.11.29",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.29.tgz",
-      "integrity": "sha512-P99thMkD/1YkCvAtOd6/zGedKNA0p2fj4ZpjCzcNiSCBWgm3cNRTBfa/qjFnsKkkojxu4vVLtWpesnZ9+ap+gA==",
+      "version": "20.12.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.4.tgz",
+      "integrity": "sha512-E+Fa9z3wSQpzgYQdYmme5X3OTuejnnTx88A6p6vkkJosR3KBz+HpE3kqNm98VE6cfLFcISx7zW7MsJkH6KwbTw==",
       "dev": true,
       "dependencies": {
         "undici-types": "~5.26.4"
@@ -5839,9 +5839,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "20.11.29",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.29.tgz",
-      "integrity": "sha512-P99thMkD/1YkCvAtOd6/zGedKNA0p2fj4ZpjCzcNiSCBWgm3cNRTBfa/qjFnsKkkojxu4vVLtWpesnZ9+ap+gA==",
+      "version": "20.12.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.4.tgz",
+      "integrity": "sha512-E+Fa9z3wSQpzgYQdYmme5X3OTuejnnTx88A6p6vkkJosR3KBz+HpE3kqNm98VE6cfLFcISx7zW7MsJkH6KwbTw==",
       "dev": true,
       "requires": {
         "undici-types": "~5.26.4"
diff --git a/package.json b/package.json
index 992dc2ad..4656bd5a 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@nlib/changelog": "0.3.1",
     "@nlib/eslint-config": "3.20.5",
-    "@types/node": "20.11.29",
+    "@types/node": "20.12.4",
     "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.21.0",
     "ava": "5.3.1",