diff --git a/bun.lock b/bun.lock
index e74a60fa..f781cb92 100644
--- a/bun.lock
+++ b/bun.lock
@@ -20,7 +20,7 @@
         "dprint": "0.50.1",
         "eslint": "9.33.0",
         "eslint-plugin-unicorn": "60.0.0",
-        "happy-dom": "18.0.1",
+        "happy-dom": "20.0.2",
         "lightningcss": "1.30.1",
         "purgecss": "7.0.2",
         "stylelint": "16.23.1",
@@ -490,7 +490,7 @@
 
     "graphemer": ["graphemer@1.4.0", "", {}, "sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag=="],
 
-    "happy-dom": ["happy-dom@18.0.1", "", { "dependencies": { "@types/node": "^20.0.0", "@types/whatwg-mimetype": "^3.0.2", "whatwg-mimetype": "^3.0.0" } }, "sha512-qn+rKOW7KWpVTtgIUi6RVmTBZJSe2k0Db0vh1f7CWrWclkkc7/Q+FrOfkZIb2eiErLyqu5AXEzE7XthO9JVxRA=="],
+    "happy-dom": ["happy-dom@20.0.2", "", { "dependencies": { "@types/node": "^20.0.0", "@types/whatwg-mimetype": "^3.0.2", "whatwg-mimetype": "^3.0.0" } }, "sha512-pYOyu624+6HDbY+qkjILpQGnpvZOusItCk+rvF5/V+6NkcgTKnbOldpIy22tBnxoaLtlM9nXgoqAcW29/B7CIw=="],
 
     "has-flag": ["has-flag@4.0.0", "", {}, "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="],
 
diff --git a/package.json b/package.json
index 7ef3f6fa..48d67d10 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "dprint": "0.50.1",
     "eslint": "9.33.0",
     "eslint-plugin-unicorn": "60.0.0",
-    "happy-dom": "18.0.1",
+    "happy-dom": "20.0.2",
     "lightningcss": "1.30.1",
     "purgecss": "7.0.2",
     "stylelint": "16.23.1",