diff --git a/package-lock.json b/package-lock.json
index c69e3ee..8e196ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
 				"@types/three": "0.183.1",
 				"@vitest/coverage-v8": "4.1.1",
 				"axe-core": "4.11.1",
-				"happy-dom": "20.8.8",
+				"happy-dom": "20.8.9",
 				"hast-util-to-string": "3.0.1",
 				"html-validate": "10.11.2",
 				"lighthouse": "13.0.3",
@@ -6677,9 +6677,9 @@
 			"license": "MIT"
 		},
 		"node_modules/happy-dom": {
-			"version": "20.8.8",
-			"resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.8.tgz",
-			"integrity": "sha512-5/F8wxkNxYtsN0bXfMwIyNLZ9WYsoOYPbmoluqVJqv8KBUbcyKZawJ7uYK4WTX8IHBLYv+VXIwfeNDPy1oKMwQ==",
+			"version": "20.8.9",
+			"resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.9.tgz",
+			"integrity": "sha512-Tz23LR9T9jOGVZm2x1EPdXqwA37G/owYMxRwU0E4miurAtFsPMQ1d2Jc2okUaSjZqAFz2oEn3FLXC5a0a+siyA==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
diff --git a/package.json b/package.json
index 082fa93..4a7d45a 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
 		"@types/three": "0.183.1",
 		"@vitest/coverage-v8": "4.1.1",
 		"axe-core": "4.11.1",
-		"happy-dom": "20.8.8",
+		"happy-dom": "20.8.9",
 		"hast-util-to-string": "3.0.1",
 		"html-validate": "10.11.2",
 		"lighthouse": "13.0.3",