diff --git a/website/client/package-lock.json b/website/client/package-lock.json
index 2203dd27b9..80ac472a00 100644
--- a/website/client/package-lock.json
+++ b/website/client/package-lock.json
@@ -3283,9 +3283,9 @@
       }
     },
     "core-js": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.3.6.tgz",
-      "integrity": "sha512-u4oM8SHwmDuh5mWZdDg9UwNVq5s1uqq6ZDLLIs07VY+VJU91i3h4f3K/pgFvtUQPGdeStrZ+odKyfyt4EnKHfA=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.4.0.tgz",
+      "integrity": "sha512-lQxb4HScV71YugF/X28LtePZj9AB7WqOpcB+YztYxusvhrgZiQXPmCYfPC5LHsw/+ScEtDbXU3xbqH3CjBRmYA=="
     },
     "core-js-compat": {
       "version": "3.3.4",
diff --git a/website/client/package.json b/website/client/package.json
index 30042ac6c4..1c251fa574 100644
--- a/website/client/package.json
+++ b/website/client/package.json
@@ -24,7 +24,7 @@
     "bootstrap": "^4.3.1",
     "bootstrap-vue": "^2.0.4",
     "chai": "^4.1.2",
-    "core-js": "^3.3.6",
+    "core-js": "^3.4.0",
     "eslint": "^6.6.0",
     "eslint-config-habitrpg": "^6.2.0",
     "eslint-plugin-mocha": "^5.3.0",