diff --git a/package.json b/package.json
index 078508b6..ee38bd79 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "rollup-plugin-postcss": "1.6.2",
     "rollup-plugin-url": "1.4.0",
     "semantic-release": "^15.5.0",
-    "webpack": "^3.8.1"
+    "webpack": "^4.20.1"
   },
   "files": [
     "dist"