diff --git a/package.json b/package.json
index 22223563d6..c3440cb033 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@rails/ujs": "^7.1.2",
     "axios": "^1.6.3",
-    "core-js": "^3.34.0",
+    "core-js": "^3.35.0",
     "dropzone": "^6.0.0-beta.2",
     "esbuild": "^0.19.11",
     "govuk-frontend": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index c776d48b11..ea282835ff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2309,10 +2309,10 @@ core-js-compat@^3.31.0, core-js-compat@^3.33.1:
   dependencies:
     browserslist "^4.22.2"
 
-core-js@^3.34.0:
-  version "3.34.0"
-  resolved "https://registry.npmjs.org/core-js/-/core-js-3.34.0.tgz"
-  integrity sha512-aDdvlDder8QmY91H88GzNi9EtQi2TjvQhpCX6B1v/dAZHU1AuLgHvRh54RiOerpEhEW46Tkf+vgAViB/CWC0ag==
+core-js@^3.35.0:
+  version "3.35.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.35.0.tgz#58e651688484f83c34196ca13f099574ee53d6b4"
+  integrity sha512-ntakECeqg81KqMueeGJ79Q5ZgQNR+6eaE8sxGCx62zMbAIj65q+uYvatToew3m6eAGdU4gNZwpZ34NMe4GYswg==
 
 cosmiconfig@8.3.6, cosmiconfig@^8.2.0:
   version "8.3.6"