diff --git a/package.json b/package.json
index fcdb815..b29ed10 100644
--- a/package.json
+++ b/package.json
@@ -74,6 +74,6 @@
     ]
   },
   "peerDependencies": {
-    "webpack": "^2.0.0 || ^3.0.0"
+    "webpack": "^2.0.0 || ^3.0.0 || ^4.0.0"
   }
 }