diff --git a/package-lock.json b/package-lock.json
index a8a758154..06ce53350 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4543,9 +4543,9 @@
       }
     },
     "core-js": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.4.2.tgz",
-      "integrity": "sha512-bUTfqFWtNKWp73oNIfRkqwYZJeNT3lstzZcAkhhiuvDraRSgOH1/+F9ZklbpR4zpdKuo4cpXN8tKP7s61yjX+g==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.4.3.tgz",
+      "integrity": "sha512-BVvHidX8uAmLCYPfLpXTEex7jz1uZJ1mW+shhIsBdA716O8Fg6TOwSgenSyO/bvEtnGdOTpKRZPSh4bSVI1k9w==",
       "dev": true
     },
     "core-js-compat": {
diff --git a/package.json b/package.json
index ab8cc34bd..9f464732e 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "babel-plugin-transform-inline-environment-variables": "0.4.3",
     "browserify": "16.5.0",
     "codecov": "3.6.1",
-    "core-js": "3.4.2",
+    "core-js": "3.4.3",
     "cross-env": "6.0.3",
     "eslint": "6.7.2",
     "eslint-plugin-flowtype": "4.5.1",