diff --git a/package-lock.json b/package-lock.json
index e2113a9..e911910 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,9 +35,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "12.12.36",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.36.tgz",
-      "integrity": "sha512-hmmypvyO/uTLFYCYu6Hlb3ydeJ11vXRxg8/WJ0E3wvwmPO0y47VqnfmXFVuWlysO0Zyj+je1Y33rQeuYkZ51GQ==",
+      "version": "12.12.52",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.52.tgz",
+      "integrity": "sha512-oNJSI5bzuAH4f4I5JatPf4jytM6vQPWMw8JDOH68mNMyOmSqBkctHBfsyaBU3Su+dhYd8E+tDtPJWUXsyO5Msg==",
       "dev": true
     },
     "@types/power-assert": {
diff --git a/package.json b/package.json
index f39d752..77cac58 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/mocha": "^5.2.7",
-    "@types/node": "^12.12.36",
+    "@types/node": "^12.12.52",
     "@types/power-assert": "^1.5.0",
     "espower-typescript": "^9.0.0",
     "get-port": "^5.0.0",