diff --git a/package.json b/package.json
index cad705b..6bf57ca 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "@angular/platform-browser-dynamic": "^4.4.4",
     "@angular/platform-server": "^4.4.4",
     "@angular/router": "^4.4.4",
-    "core-js": "^2.5.1",
+    "core-js": "^3.0.0",
     "hammerjs": "^2.0.8",
     "ie-shim": "^0.1.0",
     "rxjs": "^5.0.1",