diff --git a/package-lock.json b/package-lock.json
index 7d67cfa83a5b5..421a44ae1df56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -98,7 +98,7 @@
         "eslint-plugin-vue": "10.4.0",
         "eslint-plugin-vue-scoped-css": "2.11.0",
         "eslint-plugin-wc": "3.0.1",
-        "happy-dom": "18.0.1",
+        "happy-dom": "20.0.0",
         "markdownlint-cli": "0.45.0",
         "material-icon-theme": "5.24.0",
         "nolyfill": "1.0.44",
@@ -8039,9 +8039,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "18.0.1",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-18.0.1.tgz",
-      "integrity": "sha512-qn+rKOW7KWpVTtgIUi6RVmTBZJSe2k0Db0vh1f7CWrWclkkc7/Q+FrOfkZIb2eiErLyqu5AXEzE7XthO9JVxRA==",
+      "version": "20.0.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.0.tgz",
+      "integrity": "sha512-GkWnwIFxVGCf2raNrxImLo397RdGhLapj5cT3R2PT7FwL62Ze1DROhzmYW7+J3p9105DYMVenEejEbnq5wA37w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 8109c40eb0954..018becd5b6c8f 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "eslint-plugin-vue": "10.4.0",
     "eslint-plugin-vue-scoped-css": "2.11.0",
     "eslint-plugin-wc": "3.0.1",
-    "happy-dom": "18.0.1",
+    "happy-dom": "20.0.0",
     "markdownlint-cli": "0.45.0",
     "material-icon-theme": "5.24.0",
     "nolyfill": "1.0.44",