diff --git a/package.json b/package.json
index b4d28e24fe..5a33669f41 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "dependencies": {
     "@rails/webpacker": "^5.4.0",
     "@stimulus/polyfills": "^2.0.0",
-    "core-js": "^3.15.1",
+    "core-js": "^3.15.2",
     "custom-event-polyfill": "^1.0.7",
     "govuk-frontend": "^3.13.0",
     "js-cookie": "^2.2.1",
diff --git a/yarn.lock b/yarn.lock
index d52803a24d..b16c959443 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2172,10 +2172,10 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
-core-js@^3.12.1, core-js@^3.15.1, core-js@^3.4.0:
-  version "3.15.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.1.tgz#6c08ab88abdf56545045ccf5fd81f47f407e7f1a"
-  integrity sha512-h8VbZYnc9pDzueiS2610IULDkpFFPunHwIpl8yRwFahAEEdSpHlTy3h3z3rKq5h11CaUdBEeRViu9AYvbxiMeg==
+core-js@^3.12.1, core-js@^3.15.2, core-js@^3.4.0:
+  version "3.15.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.2.tgz#740660d2ff55ef34ce664d7e2455119c5bdd3d61"
+  integrity sha512-tKs41J7NJVuaya8DxIOCnl8QuPHx5/ZVbFo1oKgVl1qHFBBrDctzQGtuLjPpRdNTWmKPH6oEvgN/MUID+l485Q==
 
 core-util-is@~1.0.0:
   version "1.0.2"