diff --git a/package.json b/package.json
index b549a98..e8d7ffa 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@angular/platform-browser-dynamic": "^4.1.3",
     "@angular/router": "^4.1.3",
     "angular-in-memory-web-api": "^0.3.2",
-    "core-js": "^2.4.1",
+    "core-js": "^3.6.1",
     "foundation-sites": "^6.3.1",
     "global": "^4.3.2",
     "normalize.css": "^8.0.1",