diff --git a/package.json b/package.json
index 1720a94554..0b2e07b9fd 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
   "dependencies": {
     "alameda": "^1.4.0",
     "classlist.js": "https://github.com/eligrey/classList.js/archive/1.2.20180112.tar.gz",
-    "core-js": "^3.6.4",
+    "core-js": "^3.6.5",
     "date-fns": "^2.12.0",
     "document-register-element": "^1.14.3",
     "fast-text-encoding": "^1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 65b2648e18..ee725eef9d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2853,10 +2853,10 @@ core-js@^2.6.5:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
-core-js@^3.6.4:
-  version "3.6.4"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.4.tgz#440a83536b458114b9cb2ac1580ba377dc470647"
-  integrity sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==
+core-js@^3.6.5:
+  version "3.6.5"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.5.tgz#7395dc273af37fb2e50e9bd3d9fe841285231d1a"
+  integrity sha512-vZVEEwZoIsI+vPEuoF9Iqf5H7/M3eeQqWlQnYa8FSKKePuYTf5MWnxb5SDAzCa60b3JBRS5g9b+Dq7b1y/RCrA==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"