diff --git a/package.json b/package.json
index 6d0bfef..0e87816 100644
--- a/package.json
+++ b/package.json
@@ -174,7 +174,7 @@
     "eslint": "9.39.2",
     "globals": "17.4.0",
     "growl": "1.10.5",
-    "happy-dom": "20.8.3",
+    "happy-dom": "20.8.4",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
     "node-notifier": "10.0.1",
diff --git a/yarn.lock b/yarn.lock
index 0299ccc..fc48aca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1993,7 +1993,7 @@ __metadata:
     globals: "npm:17.4.0"
     grapheme-splitter: "npm:1.0.4"
     growl: "npm:1.10.5"
-    happy-dom: "npm:20.8.3"
+    happy-dom: "npm:20.8.4"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
     micromark-util-character: "npm:2.1.1"
@@ -6209,9 +6209,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:20.8.3":
-  version: 20.8.3
-  resolution: "happy-dom@npm:20.8.3"
+"happy-dom@npm:20.8.4":
+  version: 20.8.4
+  resolution: "happy-dom@npm:20.8.4"
   dependencies:
     "@types/node": "npm:>=20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
@@ -6219,7 +6219,7 @@ __metadata:
     entities: "npm:^7.0.1"
     whatwg-mimetype: "npm:^3.0.0"
     ws: "npm:^8.18.3"
-  checksum: 10/57b2fd3186637728f7f8707b538ffcea7eaa651b14441abc15b289fd2b8632d573080a253ccebf3de20b9a61ba7201837ef5d4e4860ff37267c5c9b3fb21371c
+  checksum: 10/fcad6a58433f10e11e653aa14f8f6696bd4917f5ca33c3363e380d34ba58d15d0490d91efc74e0cfddeb369c247f6fe07301c5752b65d43fc734f1e170ac000c
   languageName: node
   linkType: hard