diff --git a/package.json b/package.json
index 17d5dd8c..c3f488a7 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
 		"eslint-plugin-regexp": "^2.1.1",
 		"eslint-plugin-vitest": "^0.4.0",
 		"eslint-plugin-yml": "^1.10.0",
-		"happy-dom": "^12.10.3",
+		"happy-dom": "^14.0.0",
 		"husky": "^9.0.0",
 		"jsonc-eslint-parser": "^2.4.0",
 		"knip": "^5.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 771e218c..9d47c589 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -77,8 +77,8 @@ devDependencies:
     specifier: ^1.10.0
     version: 1.13.2(eslint@8.57.0)
   happy-dom:
-    specifier: ^12.10.3
-    version: 12.10.3
+    specifier: ^14.0.0
+    version: 14.5.1
   husky:
     specifier: ^9.0.0
     version: 9.0.11
@@ -123,7 +123,7 @@ devDependencies:
     version: 5.4.3
   vitest:
     specifier: ^1.0.0
-    version: 1.4.0(@types/node@20.12.4)(happy-dom@12.10.3)
+    version: 1.4.0(@types/node@20.12.4)(happy-dom@14.5.1)
   web-ext:
     specifier: ^7.8.0
     version: 7.11.0
@@ -1910,7 +1910,7 @@ packages:
       strip-literal: 2.0.0
       test-exclude: 6.0.0
       v8-to-istanbul: 9.2.0
-      vitest: 1.4.0(@types/node@20.12.4)(happy-dom@12.10.3)
+      vitest: 1.4.0(@types/node@20.12.4)(happy-dom@14.5.1)
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -2892,10 +2892,6 @@ packages:
     engines: {node: '>= 6'}
     dev: true
 
-  /css.escape@1.5.1:
-    resolution: {integrity: sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg==}
-    dev: true
-
   /dashdash@1.14.1:
     resolution: {integrity: sha512-jRFi8UDGo6j+odZiEpjazZaWqEal3w/basFjQHQEwVtZJGDpxbH1MeYluwCS8Xq5wmLJooDlMgvVarmWfGM44g==}
     engines: {node: '>=0.10'}
@@ -3447,7 +3443,7 @@ packages:
       '@typescript-eslint/eslint-plugin': 7.2.0(@typescript-eslint/parser@7.5.0)(eslint@8.57.0)(typescript@5.4.3)
       '@typescript-eslint/utils': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
       eslint: 8.57.0
-      vitest: 1.4.0(@types/node@20.12.4)(happy-dom@12.10.3)
+      vitest: 1.4.0(@types/node@20.12.4)(happy-dom@14.5.1)
     transitivePeerDependencies:
       - supports-color
       - typescript
@@ -4130,14 +4126,12 @@ packages:
     resolution: {integrity: sha512-+xGQY0YyAWCnqy7Cd++hc2JqMYzlm0dG30Jd0beaA64sROr8C4nt8Yc9V5Ro3avlSUDTN0ulqP/VBKi1/lLygw==}
     dev: true
 
-  /happy-dom@12.10.3:
-    resolution: {integrity: sha512-JzUXOh0wdNGY54oKng5hliuBkq/+aT1V3YpTM+lrN/GoLQTANZsMaIvmHiHe612rauHvPJnDZkZ+5GZR++1Abg==}
+  /happy-dom@14.5.1:
+    resolution: {integrity: sha512-nCmCszZnhHHvcY3gDqLNZrU71QzCT1sI2OUQy2YSn3omMYWe+QHSTO1PfS/1r6fds6zt6GI7L1tRIxo7RgC8lg==}
+    engines: {node: '>=16.0.0'}
     dependencies:
-      css.escape: 1.5.1
       entities: 4.5.0
-      iconv-lite: 0.6.3
       webidl-conversions: 7.0.0
-      whatwg-encoding: 2.0.0
       whatwg-mimetype: 3.0.0
     dev: true
 
@@ -4259,13 +4253,6 @@ packages:
     hasBin: true
     dev: true
 
-  /iconv-lite@0.6.3:
-    resolution: {integrity: sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==}
-    engines: {node: '>=0.10.0'}
-    dependencies:
-      safer-buffer: 2.1.2
-    dev: true
-
   /identity-function@1.0.0:
     resolution: {integrity: sha512-kNrgUK0qI+9qLTBidsH85HjDLpZfrrS0ElquKKe/fJFdB3D7VeKdXXEvOPDUHSHOzdZKCAAaQIWWyp0l2yq6pw==}
     dev: true
@@ -7333,7 +7320,7 @@ packages:
       fsevents: 2.3.3
     dev: true
 
-  /vitest@1.4.0(@types/node@20.12.4)(happy-dom@12.10.3):
+  /vitest@1.4.0(@types/node@20.12.4)(happy-dom@14.5.1):
     resolution: {integrity: sha512-gujzn0g7fmwf83/WzrDTnncZt2UiXP41mHuFYFrdwaLRVQ6JYQEiME2IfEjU3vcFL3VKa75XhI3lFgn+hfVsQw==}
     engines: {node: ^18.0.0 || >=20.0.0}
     hasBin: true
@@ -7368,7 +7355,7 @@ packages:
       chai: 4.4.1
       debug: 4.3.4
       execa: 8.0.1
-      happy-dom: 12.10.3
+      happy-dom: 14.5.1
       local-pkg: 0.5.0
       magic-string: 0.30.8
       pathe: 1.1.2
@@ -7473,13 +7460,6 @@ packages:
     engines: {node: '>=12'}
     dev: true
 
-  /whatwg-encoding@2.0.0:
-    resolution: {integrity: sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==}
-    engines: {node: '>=12'}
-    dependencies:
-      iconv-lite: 0.6.3
-    dev: true
-
   /whatwg-mimetype@3.0.0:
     resolution: {integrity: sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==}
     engines: {node: '>=12'}