diff --git a/package-lock.json b/package-lock.json
index d8380ca..dd7b685 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@webcomponents/custom-elements": "1.6.0",
-        "core-js": "3.33.2",
+        "core-js": "3.33.3",
         "highlight.js": "11.8.0",
         "marked": "10.0.0",
         "prop-types": "15.8.1",
@@ -2810,9 +2810,9 @@
       "dev": true
     },
     "node_modules/core-js": {
-      "version": "3.33.2",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.33.2.tgz",
-      "integrity": "sha512-XeBzWI6QL3nJQiHmdzbAOiMYqjrb7hwU7A39Qhvd/POSa/t9E1AeZyEZx3fNvp/vtM8zXwhoL0FsiS0hD0pruQ==",
+      "version": "3.33.3",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.33.3.tgz",
+      "integrity": "sha512-lo0kOocUlLKmm6kv/FswQL8zbkH7mVsLJ/FULClOhv8WRVmKLVcs6XPNQAzstfeJTCHMyButEwG+z1kHxHoDZw==",
       "hasInstallScript": true,
       "funding": {
         "type": "opencollective",
diff --git a/package.json b/package.json
index 95da54d..5c7bbbc 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
   },
   "dependencies": {
     "@webcomponents/custom-elements": "1.6.0",
-    "core-js": "3.33.2",
+    "core-js": "3.33.3",
     "highlight.js": "11.8.0",
     "marked": "10.0.0",
     "prop-types": "15.8.1",