diff --git a/package-lock.json b/package-lock.json
index 72c6dd6b..69bfa747 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@types/node": "^25.9.3",
         "@vitest/coverage-v8": "^4.1.8",
         "eslint": "^9.39.1",
-        "happy-dom": "^20.10.3",
+        "happy-dom": "^20.10.6",
         "typedoc": "^0.28.19",
         "typescript": "^6.0.3",
         "vite": "^7.3.5",
@@ -4664,9 +4664,9 @@
       "license": "ISC"
     },
     "node_modules/happy-dom": {
-      "version": "20.10.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.10.3.tgz",
-      "integrity": "sha512-Hjdiy8RziuCcn5z04QI/rlsNuQoG8P0xxjgvsSMpi89cvIXIOcucQtiHS1yHSShxoBcSCeYqAskINmTiy/mlfw==",
+      "version": "20.10.6",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.10.6.tgz",
+      "integrity": "sha512-6QD0ilzDDt93tX44y8tbmZdAcdTRYDhUP+Asgi6pC8Pp5IA3cvaZGyoVN/EGtlq9ziT65iPuBBn3ASLr6hCgVw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 584b610a..6ae3236f 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@types/node": "^25.9.3",
     "@vitest/coverage-v8": "^4.1.8",
     "eslint": "^9.39.1",
-    "happy-dom": "^20.10.3",
+    "happy-dom": "^20.10.6",
     "typedoc": "^0.28.19",
     "typescript": "^6.0.3",
     "vite": "^7.3.5",