diff --git a/package.json b/package.json
index d54ebbfa..2f780c70 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "eslint-config-artisan": "^0.2.1",
     "eslint-generate-todo": "^0.2.0",
     "firebase-tools": "^13.3.1",
-    "happy-dom": "^12.10.3",
+    "happy-dom": "^15.10.2",
     "lodash-es": "^4.17.21",
     "micromark": "^3.1.0",
     "npm-run-all": "^4.1.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1634269e..a19f1c68 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -170,8 +170,8 @@ importers:
         specifier: ^13.3.1
         version: 13.3.1(encoding@0.1.13)
       happy-dom:
-        specifier: ^12.10.3
-        version: 12.10.3
+        specifier: ^15.10.2
+        version: 15.10.2
       lodash-es:
         specifier: ^4.17.21
         version: 4.17.21
@@ -210,7 +210,7 @@ importers:
         version: 3.6.0
       vitest:
         specifier: ^0.34.6
-        version: 0.34.6(@edge-runtime/vm@4.0.3)(happy-dom@12.10.3)(playwright@1.47.2)(terser@5.34.1)
+        version: 0.34.6(@edge-runtime/vm@4.0.3)(happy-dom@15.10.2)(playwright@1.47.2)(terser@5.34.1)
       vue-tsc:
         specifier: ^1.8.27
         version: 1.8.27(typescript@5.3.3)
@@ -4151,9 +4151,6 @@ packages:
     resolution: {integrity: sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==}
     engines: {node: '>= 6'}
 
-  css.escape@1.5.1:
-    resolution: {integrity: sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg==}
-
   cssesc@3.0.0:
     resolution: {integrity: sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==}
     engines: {node: '>=4'}
@@ -5716,8 +5713,9 @@ packages:
   h3@1.12.0:
     resolution: {integrity: sha512-Zi/CcNeWBXDrFNlV0hUBJQR9F7a96RjMeAZweW/ZWkR9fuXrMcvKnSA63f/zZ9l0GgQOZDVHGvXivNN9PWOwhA==}
 
-  happy-dom@12.10.3:
-    resolution: {integrity: sha512-JzUXOh0wdNGY54oKng5hliuBkq/+aT1V3YpTM+lrN/GoLQTANZsMaIvmHiHe612rauHvPJnDZkZ+5GZR++1Abg==}
+  happy-dom@15.10.2:
+    resolution: {integrity: sha512-NbA5XrSovenJIIcfixCREX3ZnV7yHP4phhbfuxxf4CPn+LZpz/jIM9EqJ2DrPwgVDSMoAKH3pZwQvkbsSiCrUw==}
+    engines: {node: '>=18.0.0'}
 
   has-ansi@2.0.0:
     resolution: {integrity: sha512-C8vBJ8DwUCx19vhm7urhTuUsr4/IyP6l4VzNQDv+ryHQObW3TTTp9yB68WpYgRe2bbaGuZ/se74IqFeVnMnLZg==}
@@ -9986,10 +9984,6 @@ packages:
     resolution: {integrity: sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==}
     engines: {node: '>=0.8.0'}
 
-  whatwg-encoding@2.0.0:
-    resolution: {integrity: sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==}
-    engines: {node: '>=12'}
-
   whatwg-fetch@3.6.20:
     resolution: {integrity: sha512-EqhiFU6daOA8kpjOWTL0olhVOF3i7OrFzSYiGsEMB8GcXS+RrzauAERX65xMeNWVqxA6HXH2m69Z9LaKKdisfg==}
 
@@ -15116,8 +15110,6 @@ snapshots:
 
   css-what@6.1.0: {}
 
-  css.escape@1.5.1: {}
-
   cssesc@3.0.0: {}
 
   cssnano-preset-default@7.0.6(postcss@8.4.45):
@@ -17165,13 +17157,10 @@ snapshots:
     transitivePeerDependencies:
       - uWebSockets.js
 
-  happy-dom@12.10.3:
+  happy-dom@15.10.2:
     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
 
   has-ansi@2.0.0:
@@ -22078,7 +22067,7 @@ snapshots:
       fsevents: 2.3.3
       terser: 5.34.1
 
-  vitest@0.34.6(@edge-runtime/vm@4.0.3)(happy-dom@12.10.3)(playwright@1.47.2)(terser@5.34.1):
+  vitest@0.34.6(@edge-runtime/vm@4.0.3)(happy-dom@15.10.2)(playwright@1.47.2)(terser@5.34.1):
     dependencies:
       '@types/chai': 4.3.11
       '@types/chai-subset': 1.3.5
@@ -22106,7 +22095,7 @@ snapshots:
       why-is-node-running: 2.2.2
     optionalDependencies:
       '@edge-runtime/vm': 4.0.3
-      happy-dom: 12.10.3
+      happy-dom: 15.10.2
       playwright: 1.47.2
     transitivePeerDependencies:
       - less
@@ -22238,10 +22227,6 @@ snapshots:
 
   websocket-extensions@0.1.4: {}
 
-  whatwg-encoding@2.0.0:
-    dependencies:
-      iconv-lite: 0.6.3
-
   whatwg-fetch@3.6.20: {}
 
   whatwg-mimetype@3.0.0: {}