diff --git a/package.json b/package.json
index 336c956..d78b780 100644
--- a/package.json
+++ b/package.json
@@ -169,7 +169,7 @@
     "editorconfig": "3.0.1",
     "eslint": "9.37.0",
     "growl": "1.10.5",
-    "happy-dom": "20.3.7",
+    "happy-dom": "20.3.9",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
     "node-notifier": "10.0.1",
diff --git a/yarn.lock b/yarn.lock
index 1eec002..9100108 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1714,7 +1714,7 @@ __metadata:
     editorconfig: "npm:3.0.1"
     eslint: "npm:9.37.0"
     growl: "npm:1.10.5"
-    happy-dom: "npm:20.3.7"
+    happy-dom: "npm:20.3.9"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
     node-inspect-extracted: "npm:3.3.0"
@@ -5926,9 +5926,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:20.3.7":
-  version: 20.3.7
-  resolution: "happy-dom@npm:20.3.7"
+"happy-dom@npm:20.3.9":
+  version: 20.3.9
+  resolution: "happy-dom@npm:20.3.9"
   dependencies:
     "@types/node": "npm:>=20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
@@ -5936,7 +5936,7 @@ __metadata:
     entities: "npm:^4.5.0"
     whatwg-mimetype: "npm:^3.0.0"
     ws: "npm:^8.18.3"
-  checksum: 10/5c0375bddfb6ded047c72df3b132761e711227648d5026fa7ec31bccef26623a82f662492cf4574519432939594516384acf58a6cf616b035e334d8f43d91921
+  checksum: 10/7f184d3229dbc8c9010f714725dcca275e3714155952ff6f3633e83df105b2012c7ffc80759f27ac00bb2a37b2a6cd88a28e06a8ca9e14edc501378a9326f72d
   languageName: node
   linkType: hard