diff --git a/package.json b/package.json
index 52ace6bd9..7a748b8c4 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "through2": "^2.0.3",
     "vinyl-paths": "^2.1.0",
     "webpack": "^3.4.1",
-    "webpack-stream": "^3.2.0",
+    "webpack-stream": "^4.0.0",
     "whatwg-fetch": "^2.0.3",
     "yargs": "^8.0.2"
   },