diff --git a/package.json b/package.json
index 870a5c6e5b0..fa4906ba517 100644
--- a/package.json
+++ b/package.json
@@ -42,9 +42,9 @@
     "recast": "git://github.com/kalcifer/recast.git#bug/allowbreak",
     "rx": "^4.1.0",
     "supports-color": "^3.1.2",
-    "webpack": "^2.2.0-rc.0",
-    "webpack-addons-ylvis": "0.0.27",
-    "yargs": "^6.5.0"
+    "webpack": "^4.0.0",
+    "webpack-addons-ylvis": "0.0.28",
+    "yargs": "^10.0.0"
   },
   "devDependencies": {
     "ajv": "^4.11.3",