diff --git a/package.json b/package.json
index 148733c..643402c 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "source-loader": "^1.0.0",
     "standard": "^10.0.2",
     "sugarml": "^0.6.0",
-    "webpack": "^3.3.0",
+    "webpack": "^4.0.0",
     "when": "^3.7.8"
   },
   "engine": ">=6",