diff --git a/package.json b/package.json
index b40fe2c..9326111 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {},
   "devDependencies": {
     "@types/mocha": "^5.0.0",
-    "@types/node": "^10.0.3",
+    "@types/node": "^11.10.4",
     "@types/power-assert": "^1.4.29",
     "@types/sinon": "^5.0.0",
     "espower-typescript": "^9.0.0",