diff --git a/package-lock.json b/package-lock.json
index 3e8f31ea..6aa24113 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "ajv": "^8.20.0",
         "ajv-formats": "^3.0.1",
         "esbuild": "^0.28.2",
-        "happy-dom": "^20.11.6",
+        "happy-dom": "^20.11.12",
         "typescript": "^7.0.2",
         "vitest": "^4.1.10"
       },
@@ -1893,9 +1893,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "20.11.6",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.6.tgz",
-      "integrity": "sha512-Hldbg8AdAa5a5oDcZpjqnGitp7JB0hqWmfv/8qr+kft4vzSD8BHsbdRfzYvL/0QcbKcURC/yyoygbeDQarPvYg==",
+      "version": "20.11.12",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.12.tgz",
+      "integrity": "sha512-7+mrTTD+6fOG3dx0URrDLrCX8QDTE+YujSOQD4VPZcYze/yJ0vVhRKaIBTjqlk+R4NetxVz21odnevHYIjIJ+g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 630b5a8c..8adff540 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "ajv": "^8.20.0",
     "ajv-formats": "^3.0.1",
     "esbuild": "^0.28.2",
-    "happy-dom": "^20.11.6",
+    "happy-dom": "^20.11.12",
     "typescript": "^7.0.2",
     "vitest": "^4.1.10"
   },