diff --git a/package.json b/package.json
index 1f5fb0d1a1..69847f1be0 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@webcomponents/custom-elements": "^1.6.0",
     "abortcontroller-polyfill": "^1.7.5",
     "accessible-autocomplete": "alphagov/accessible-autocomplete-multiselect",
-    "core-js-bundle": "^3.33.0",
+    "core-js-bundle": "^3.33.1",
     "cropperjs": "^1.6.1",
     "es5-polyfill": "^0.0.6",
     "markdown-toolbar-element": "^0.2.0",
diff --git a/yarn.lock b/yarn.lock
index 70eb56ad25..d0e3229928 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -439,10 +439,10 @@ cookie@0.4.2:
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.2.tgz#0e41f24de5ecf317947c82fc789e06a884824432"
   integrity sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==
 
-core-js-bundle@^3.33.0:
-  version "3.33.0"
-  resolved "https://registry.yarnpkg.com/core-js-bundle/-/core-js-bundle-3.33.0.tgz#af1566b1028485497650a4ed85616d5d6770d4fb"
-  integrity sha512-RtJhxLOfMyKZaXXrqhPszvP8TdeYJxz+KX0B4tF9DXT0zFrfYa9leH7j7LovzhCcwM5xS9KtOyHmiDEZMlXOQA==
+core-js-bundle@^3.33.1:
+  version "3.33.1"
+  resolved "https://registry.yarnpkg.com/core-js-bundle/-/core-js-bundle-3.33.1.tgz#a69a648e7fc2f85fb7d6ab6154c918b2081be7dc"
+  integrity sha512-d484awj7y/CjpVW0if+uH8vvehDH2Ze9sbcG2VFOBAaajZ73zuHGMSQa3iwVI+18EO5ktmfG9bMyVT0dbCcFiA==
 
 core-util-is@~1.0.0:
   version "1.0.3"