diff --git a/package.json b/package.json
index c748197..a6dfe96 100644
--- a/package.json
+++ b/package.json
@@ -145,7 +145,7 @@
     "editorconfig": "3.0.1",
     "eslint": "9.37.0",
     "growl": "1.10.5",
-    "happy-dom": "20.5.3",
+    "happy-dom": "20.6.0",
     "hastscript": "9.0.1",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
diff --git a/yarn.lock b/yarn.lock
index 175f6ed..ac861ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2136,7 +2136,7 @@ __metadata:
     editorconfig: "npm:3.0.1"
     eslint: "npm:9.37.0"
     growl: "npm:1.10.5"
-    happy-dom: "npm:20.5.3"
+    happy-dom: "npm:20.6.0"
     hastscript: "npm:9.0.1"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
@@ -6176,9 +6176,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:20.5.3":
-  version: 20.5.3
-  resolution: "happy-dom@npm:20.5.3"
+"happy-dom@npm:20.6.0":
+  version: 20.6.0
+  resolution: "happy-dom@npm:20.6.0"
   dependencies:
     "@types/node": "npm:>=20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
@@ -6186,7 +6186,7 @@ __metadata:
     entities: "npm:^6.0.1"
     whatwg-mimetype: "npm:^3.0.0"
     ws: "npm:^8.18.3"
-  checksum: 10/0aef62ec8842ccfe06299c102a21e095a7087535bff6cfbdf9afaf2ffd44cae4cef31f6acb6571e0b717210c9e3091cac34d68977130183b33b4ad7ac8cbfd47
+  checksum: 10/7c6fb1f690826a00698b26f863cedc1875987502d2b1c19e931ab95bb9e49ade685ef26a5942fbb2e34ae8c6b056f1c91a1c67c52770d71ff69b1452cb4ecdb1
   languageName: node
   linkType: hard