diff --git a/package.json b/package.json
index 38f15a4..70ccc46 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "browserstack-local": "^1.4.0",
     "codelyzer": "^5.0.1",
     "commitizen": "^3.0.0",
-    "core-js": "^2.4.1",
+    "core-js": "^3.4.5",
     "coveralls": "^3.0.0",
     "cz-conventional-changelog": "^2.0.0",
     "glob": "^7.1.3",