diff --git a/package-lock.json b/package-lock.json
index c2feb1c..92f5035 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "@types/node": "^26.3.0",
         "@vitest/coverage-v8": "^4.1.11",
         "eslint": "^10.9.1",
-        "happy-dom": "^20.11.2",
+        "happy-dom": "^20.12.2",
         "typedoc": "^0.28.20",
         "typedoc-plugin-missing-exports": "^4.1.4",
         "typescript": "^6.0.3",
@@ -4807,9 +4807,9 @@
       "license": "ISC"
     },
     "node_modules/happy-dom": {
-      "version": "20.11.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.2.tgz",
-      "integrity": "sha512-7MB+bJLkxu3SowAfBJbjW+c55kNz5tkR45gu2qzrxznezhLeN5YIlJbwUgSzlGc+qWoZ8Ykg71H5ezz69xixrw==",
+      "version": "20.12.2",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.12.2.tgz",
+      "integrity": "sha512-vCIoyoKQ7vxLb9zRiTc7uKryHDG3YY6tXK96D6MuugFnV9xTbmiPGM/GYFn1q+fWoIBv53q4rBEgydDkQwnDZw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 3651e17..5b745a0 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "@types/node": "^26.3.0",
     "@vitest/coverage-v8": "^4.1.11",
     "eslint": "^10.9.1",
-    "happy-dom": "^20.11.2",
+    "happy-dom": "^20.12.2",
     "typedoc": "^0.28.20",
     "typedoc-plugin-missing-exports": "^4.1.4",
     "typescript": "^6.0.3",