diff --git a/package-lock.json b/package-lock.json
index 3b2f868ec..c4579fbd8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -86,7 +86,7 @@
         "eslint-plugin-vue": "9.24.0",
         "eslint-plugin-vue-scoped-css": "2.8.0",
         "eslint-plugin-wc": "2.0.4",
-        "happy-dom": "14.3.7",
+        "happy-dom": "14.3.9",
         "markdownlint-cli": "0.39.0",
         "postcss-html": "1.6.0",
         "stylelint": "16.3.0",
@@ -6597,9 +6597,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "14.3.7",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.3.7.tgz",
-      "integrity": "sha512-lUfDRGzjrVJF2pnvh13OL+qEJ9eDpcedVLm77a3aMg8gPGKXfG+xFMNk3cOWetjucU8FveJ4qcSC/EX55nJ4fQ==",
+      "version": "14.3.9",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.3.9.tgz",
+      "integrity": "sha512-0kPQchwthekcYpYN8CvCiq+/z5bqFYDLbTxZ+yDLwT8AFRVJDFadShHRxp3VAZRy7a5isOZ1j/LzsU1dtAIZMQ==",
       "dev": true,
       "dependencies": {
         "entities": "^4.5.0",
diff --git a/package.json b/package.json
index 7b4097696..d823ba4b3 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "eslint-plugin-vue": "9.24.0",
     "eslint-plugin-vue-scoped-css": "2.8.0",
     "eslint-plugin-wc": "2.0.4",
-    "happy-dom": "14.3.7",
+    "happy-dom": "14.3.9",
     "markdownlint-cli": "0.39.0",
     "postcss-html": "1.6.0",
     "stylelint": "16.3.0",