diff --git a/package.json b/package.json
index 4b346a0..8537c44 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": "19.0.2",
+    "happy-dom": "20.0.0",
     "husky": "9.1.7",
     "is-ci": "4.1.0",
     "node-notifier": "10.0.1",
diff --git a/yarn.lock b/yarn.lock
index 54e947e..1ecc6f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1692,7 +1692,7 @@ __metadata:
     editorconfig: "npm:3.0.1"
     eslint: "npm:9.37.0"
     growl: "npm:1.10.5"
-    happy-dom: "npm:19.0.2"
+    happy-dom: "npm:20.0.0"
     husky: "npm:9.1.7"
     is-ci: "npm:4.1.0"
     node-inspect-extracted: "npm:3.2.1"
@@ -5935,14 +5935,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"happy-dom@npm:19.0.2":
-  version: 19.0.2
-  resolution: "happy-dom@npm:19.0.2"
+"happy-dom@npm:20.0.0":
+  version: 20.0.0
+  resolution: "happy-dom@npm:20.0.0"
   dependencies:
     "@types/node": "npm:^20.0.0"
     "@types/whatwg-mimetype": "npm:^3.0.2"
     whatwg-mimetype: "npm:^3.0.0"
-  checksum: 10/cca23fa7c12ed73307be93a312b389d2c9e5497a647d884ab2c8684833824e369137ee8a3496a9abdaf08a1ed02b1af925c6f661cf29ef6a90c675c0bc11ce5f
+  checksum: 10/0fa626e2051dfa5f1ea0da9e3776b5986d3700c261a8ba7c496e7ad89f4df0318920b7c286d3b310481712b378ffb7dee35ed782ff039e4166f4ba957a76b6df
   languageName: node
   linkType: hard