diff --git a/package.json b/package.json
index 46da12f..a795ba1 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "bluebird": "^3.5.1",
     "body-parser": "^1.18.2",
     "bootstrap": "4.0.0-beta.2",
-    "core-js": "^2.5.3",
+    "core-js": "^3.0.0",
     "express": "^4.16.2",
     "font-awesome": "^4.7.0",
     "hammerjs": "^2.0.8",