diff --git a/package.json b/package.json
index c5dd11a..75d3f02 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "typedoc": "^0.8.0",
     "typescript": "^2.6.2",
     "watch": "^1.0.2",
-    "webpack": "^3.9.1",
+    "webpack": "^4.7.0",
     "xmldom": "^0.1.27",
     "yargs": "^8.0.2"
   },