diff --git a/package.json b/package.json
index 2265195..42a5ebe 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "babel-preset-react-hmre": "^1.1.1",
     "babel-preset-stage-0": "^6.16.0",
     "css-loader": "^0.23.1",
-    "npm": "^4.0.2",
+    "npm": "^6.14.5",
     "style-loader": "^0.13.0",
     "react-grid-layout": "^0.13.9",
     "rc-calendar": "^7.5.1",