diff --git a/packages/wxt/package.json b/packages/wxt/package.json
index c3637df3..788003fa 100644
--- a/packages/wxt/package.json
+++ b/packages/wxt/package.json
@@ -154,7 +154,7 @@
     "@types/prompts": "^2.4.9",
     "execa": "^9.3.0",
     "extract-zip": "^2.0.1",
-    "happy-dom": "^13.10.1",
+    "happy-dom": "^14.12.3",
     "lodash.merge": "^4.6.2",
     "p-map": "^7.0.2",
     "publint": "^0.2.9",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7a108731..3cbee528 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -341,8 +341,8 @@ importers:
         specifier: ^2.0.1
         version: 2.0.1
       happy-dom:
-        specifier: ^13.10.1
-        version: 13.10.1
+        specifier: ^14.12.3
+        version: 14.12.3
       lodash.merge:
         specifier: ^4.6.2
         version: 4.6.2
@@ -363,7 +363,7 @@ importers:
         version: 5.5.3
       vitest:
         specifier: ^2.0.0
-        version: 2.0.3(@types/node@20.14.11)(happy-dom@13.10.1)
+        version: 2.0.3(@types/node@20.14.11)(happy-dom@14.12.3)
       vitest-plugin-random-seed:
         specifier: ^1.1.0
         version: 1.1.0(vite@5.3.4)
@@ -4235,8 +4235,8 @@ packages:
     resolution: {integrity: sha512-+xGQY0YyAWCnqy7Cd++hc2JqMYzlm0dG30Jd0beaA64sROr8C4nt8Yc9V5Ro3avlSUDTN0ulqP/VBKi1/lLygw==}
     dev: false
 
-  /happy-dom@13.10.1:
-    resolution: {integrity: sha512-9GZLEFvQL5EgfJX2zcBgu1nsPUn98JF/EiJnSfQbdxI6YEQGqpd09lXXxOmYonRBIEFz9JlGCOiPflDzgS1p8w==}
+  /happy-dom@14.12.3:
+    resolution: {integrity: sha512-vsYlEs3E9gLwA1Hp+w3qzu+RUDFf4VTT8cyKqVICoZ2k7WM++Qyd2LwzyTi5bqMJFiIC/vNpTDYuxdreENRK/g==}
     engines: {node: '>=16.0.0'}
     dependencies:
       entities: 4.5.0
@@ -7701,7 +7701,7 @@ packages:
       - terser
     dev: true
 
-  /vitest@2.0.3(@types/node@20.14.11)(happy-dom@13.10.1):
+  /vitest@2.0.3(@types/node@20.14.11)(happy-dom@14.12.3):
     resolution: {integrity: sha512-o3HRvU93q6qZK4rI2JrhKyZMMuxg/JRt30E6qeQs6ueaiz5hr1cPj+Sk2kATgQzMMqsa2DiNI0TIK++1ULx8Jw==}
     engines: {node: ^18.0.0 || >=20.0.0}
     hasBin: true
@@ -7737,7 +7737,7 @@ packages:
       chai: 5.1.1
       debug: 4.3.5
       execa: 8.0.1
-      happy-dom: 13.10.1
+      happy-dom: 14.12.3
       magic-string: 0.30.10
       pathe: 1.1.2
       std-env: 3.7.0