diff --git a/package.json b/package.json
index fbbc16f..1545c3a 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "mocha": "^3.2.0",
     "nyc": "^11.0.2",
     "prettier": "^1.6.1",
-    "webpack": "^3.1.0"
+    "webpack": "^4.22.0"
   },
   "dependencies": {
     "persistgraphql": "^0.3.5",