diff --git a/package.json b/package.json
index 7f71af6e8..c03e65e77 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "@webcomponents/custom-elements": "^1.6.0",
     "accessible-autocomplete": "^3.0.1",
-    "core-js-bundle": "^3.38.1",
+    "core-js-bundle": "^3.39.0",
     "es5-polyfill": "^0.0.6",
     "markdown-toolbar-element": "^0.2.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 84a5213e0..3b6171deb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -333,10 +333,10 @@ contains-path@^0.1.0:
   resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
   integrity sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=
 
-core-js-bundle@^3.38.1:
-  version "3.38.1"
-  resolved "https://registry.yarnpkg.com/core-js-bundle/-/core-js-bundle-3.38.1.tgz#e6cdb074ea5c3da6de54ce827c33ec4424d0862d"
-  integrity sha512-VVA1mEYo2FRVbVdcAy5z8d4lidIrCphN6rFM0Hzr/keUJrjW2m13wwGE9UJOIE+P2sFV7ujtlEdogakPad21uw==
+core-js-bundle@^3.39.0:
+  version "3.39.0"
+  resolved "https://registry.yarnpkg.com/core-js-bundle/-/core-js-bundle-3.39.0.tgz#214b08d23c53f8a4160ad5820c28465fd19c8574"
+  integrity sha512-adVrQD6QYbSmxT6x8PyxfIzCRdQEww5V6/KY9PuPfOnm9Rei1w8pT0TaNNBQlmDqm0jV8iNu8AAuErRDAj2Blw==
 
 cosmiconfig@^8.2.0:
   version "8.2.0"