diff --git a/package.json b/package.json
index 1f000e6f..98f5195c 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "dependencies": {
     "@babel/runtime": "7.7.4",
     "classnames": "2.2.6",
-    "core-js": "3.4.2",
+    "core-js": "3.4.3",
     "date-fns": "1.30.1",
     "dayzed": "3.1.0",
     "format-string-by-pattern": "1.1.1",
diff --git a/yarn.lock b/yarn.lock
index 57f491fc..1c3bda91 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3947,10 +3947,10 @@ core-js-pure@^3.0.1:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.2.1.tgz#879a23699cff46175bfd2d09158b5c50645a3c45"
   integrity sha512-+qpvnYrsi/JDeQTArB7NnNc2VoMYLE1YSkziCDHgjexC2KH7OFiGhLUd3urxfyWmNjSwSW7NYXPWHMhuIJx9Ow==
 
-core-js@3.4.2:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.2.tgz#ee2b1a60b50388d8ddcda8cdb44a92c7a9ea76df"
-  integrity sha512-bUTfqFWtNKWp73oNIfRkqwYZJeNT3lstzZcAkhhiuvDraRSgOH1/+F9ZklbpR4zpdKuo4cpXN8tKP7s61yjX+g==
+core-js@3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.3.tgz#09ea102412a368d5f73d24f082e41ac90c633a49"
+  integrity sha512-BVvHidX8uAmLCYPfLpXTEex7jz1uZJ1mW+shhIsBdA716O8Fg6TOwSgenSyO/bvEtnGdOTpKRZPSh4bSVI1k9w==
 
 core-js@^1.0.0:
   version "1.2.7"