diff --git a/package.json b/package.json
index 982160e..5446195 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "webpack-defaults": "^1.6.0"
   },
   "peerDependencies": {
-    "webpack": "^2.0.0 || ^3.0.0"
+    "webpack": "^2.0.0 || ^3.0.0 || ^4.0.0"
   },
   "scripts": {
     "start": "npm run build -- -w",