diff --git a/package.json b/package.json
index bf7aee8..5e2899e 100644
--- a/package.json
+++ b/package.json
@@ -178,7 +178,7 @@
     "editorconfig": "3.0.2",
     "eslint": "9.39.5",
     "growl": "1.10.5",
-    "happy-dom": "20.14.5",
+    "happy-dom": "21.0.1",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
     "micromark": "4.0.3",
diff --git a/yarn.lock b/yarn.lock
index 7321547..d71b24b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1920,7 +1920,7 @@ __metadata:
     editorconfig: "npm:3.0.2"
     eslint: "npm:9.39.5"
     growl: "npm:1.10.5"
-    happy-dom: "npm:20.14.5"
+    happy-dom: "npm:21.0.1"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
     micromark: "npm:4.0.3"
@@ -6811,9 +6811,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:20.14.5":
-  version: 20.14.5
-  resolution: "happy-dom@npm:20.14.5"
+"happy-dom@npm:21.0.1":
+  version: 21.0.1
+  resolution: "happy-dom@npm:21.0.1"
   dependencies:
     "@types/node": "npm:>=20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
@@ -6822,7 +6822,7 @@ __metadata:
     entities: "npm:^7.0.1"
     whatwg-mimetype: "npm:^3.0.0"
     ws: "npm:^8.21.0"
-  checksum: 10/5a1f177622e7d08d0ee27b2bdd4d2c86365989e04342c67b6afd623da968ace87d551fb9ea60085159d4d9174db040cd9b5320a430a0b899a06fbbfd1acf2374
+  checksum: 10/03a4ce9ead6d8df46dc2b6fd3b2a8870a887145608f3b6a562a54f42eb8f2c0b7cd4d10d09e181ee74766457141bca02a61165af1990939172b61fe5b43d35f0
   languageName: node
   linkType: hard