diff --git a/package.json b/package.json
index 81f01d3..b11d41a 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "esdoc": "^1.0.1",
     "esdoc-ecmascript-proposal-plugin": "^1.0.0",
     "esdoc-standard-plugin": "^1.0.0",
-    "eslint": "^4.19.0",
+    "eslint": "^5.0.1",
     "lerna": "^2.8.0",
     "mocha": "^5.0.0",
     "nyc": "^12.0.0",