diff --git a/package.json b/package.json
index 8a21df4..557dc50 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
         "@angular/platform-browser": "6.1.10",
         "@angular/platform-browser-dynamic": "6.1.10",
         "@angular/router": "6.1.10",
-        "core-js": "2.6.9",
+        "core-js": "3.6.5",
         "rxjs": "6.0.0",
         "zone.js": "0.8.29"
     },