diff --git a/package.json b/package.json
index b938f0f..03afc32 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "bluebird": "^3.1.5",
     "bootstrap": ">=3.4.1",
     "bootstrap-webpack": "0.0.6",
-    "copy-webpack-plugin": "^2.0.0",
+    "copy-webpack-plugin": "^4.3.0",
     "css-loader": "^5.0.0",
     "ether-pudding": "^2.0.0",
     "extract-text-webpack-plugin": "^1.0.1",