diff --git a/package.json b/package.json
index 9fa7571..f828e6b 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "chai": "^4.1.2",
     "chai-http": "^3.0.0",
     "cookie-parser": "latest",
-    "core-js": "^2.5.3",
+    "core-js": "^3.0.0",
     "cors": "^2.8.4",
     "dotenv": "^5.0.1",
     "errorhandler": "latest",