diff --git a/package.json b/package.json
index de9761a8..c1dc1f32 100644
--- a/package.json
+++ b/package.json
@@ -54,8 +54,8 @@
     "tiny-lr": "1.0.3",
     "tslint": "3.15.1",
     "tslint-eslint-rules": "1.5.0",
-    "uglify-js": "2.7.3",
-    "webpack": "2.2.0-rc.3",
+    "uglify-js": "2.8.6",
+    "webpack": "4.0.0",
     "ws": "1.1.1",
     "xml2js": "^0.4.17"
   },