diff --git a/package.json b/package.json
index 4029cba..0352a4b 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "koa": "^2.3.0",
     "react": "^15.6.1",
     "react-dom": "^15.6.1",
-    "webpack": "^3.5.4"
+    "webpack": "^4.7.0"
   },
   "dependencies": {
     "require-from-string": "^2.0.0",