diff --git a/package.json b/package.json
index 1c3001f..8bfe462 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "node-salesforce-connection": "^2.3.0",
     "timeout-then": "^1.1.0",
     "uglifyjs-webpack-plugin": "^1.0.0-beta.2",
-    "webpack": "^3.5.6",
+    "webpack": "^4.32.2",
     "winston": "^2.3.1"
   },
   "devDependencies": {