diff --git a/package.json b/package.json
index 4d3d397..70d79ab 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "esbuild": "0.28.2",
     "eslint": "9.39.5",
     "growl": "1.10.5",
-    "happy-dom": "21.0.3",
+    "happy-dom": "21.0.4",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
     "micromark": "4.0.3",
diff --git a/yarn.lock b/yarn.lock
index 44c4f13..846c750 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5439,7 +5439,7 @@ __metadata:
     esbuild: "npm:0.28.2"
     eslint: "npm:9.39.5"
     growl: "npm:1.10.5"
-    happy-dom: "npm:21.0.3"
+    happy-dom: "npm:21.0.4"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
     micromark: "npm:4.0.3"
@@ -7108,9 +7108,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:21.0.3":
-  version: 21.0.3
-  resolution: "happy-dom@npm:21.0.3"
+"happy-dom@npm:21.0.4":
+  version: 21.0.4
+  resolution: "happy-dom@npm:21.0.4"
   dependencies:
     "@types/node": "npm:>=20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
@@ -7119,7 +7119,7 @@ __metadata:
     entities: "npm:^7.0.1"
     whatwg-mimetype: "npm:^3.0.0"
     ws: "npm:^8.21.0"
-  checksum: 10/18e49eee5d09978c53e23c1e0a656bafcdadadc90d13c954aa92403e131d47ad0ad0b5308ad82ac0a76357f13ea9d64eacca370520d30b31250f2cc6ea5ddfdc
+  checksum: 10/708a07432283cab0a29a10571b06cf27c0e30a933bf5f7fe948e18f78ce3875127b09fbed9aa7c6c5d23b06f4dad824eb73bc7a0cbe356febf5f66efb36aabce
   languageName: node
   linkType: hard