diff --git a/apps/renderer/package.json b/apps/renderer/package.json
index 0761a0ed68..95662663fd 100644
--- a/apps/renderer/package.json
+++ b/apps/renderer/package.json
@@ -123,7 +123,7 @@
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
     "fake-indexeddb": "6.0.0",
-    "happy-dom": "15.8.0",
+    "happy-dom": "15.10.2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   }
diff --git a/package.json b/package.json
index e37b9b7dbc..6ad5e711c3 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "eslint": "^9.14.0",
     "eslint-config-hyoban": "^3.1.12",
     "fake-indexeddb": "6.0.0",
-    "happy-dom": "15.8.0",
+    "happy-dom": "15.10.2",
     "hono": "4.6.8",
     "js-yaml": "4.1.0",
     "lint-staged": "15.2.10",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2dd45aa803..c6ea8069e8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -162,8 +162,8 @@ importers:
         specifier: 6.0.0
         version: 6.0.0
       happy-dom:
-        specifier: 15.8.0
-        version: 15.8.0
+        specifier: 15.10.2
+        version: 15.10.2
       hono:
         specifier: 4.6.8
         version: 4.6.8(patch_hash=qptujxncoai6tukc4qaqsrqk24)
@@ -235,7 +235,7 @@ importers:
         version: 5.0.1(typescript@5.6.3)(vite@5.4.10(@types/node@22.8.7)(lightningcss@1.27.0)(terser@5.35.0))
       vitest:
         specifier: 2.0.5
-        version: 2.0.5(@types/node@22.8.7)(happy-dom@15.8.0)(lightningcss@1.27.0)(terser@5.35.0)
+        version: 2.0.5(@types/node@22.8.7)(happy-dom@15.10.2)(lightningcss@1.27.0)(terser@5.35.0)
 
   apps/main:
     dependencies:
@@ -653,8 +653,8 @@ importers:
         specifier: 6.0.0
         version: 6.0.0
       happy-dom:
-        specifier: 15.8.0
-        version: 15.8.0
+        specifier: 15.10.2
+        version: 15.10.2
       react:
         specifier: ^18.3.1
         version: 18.3.1
@@ -6691,8 +6691,8 @@ packages:
     engines: {node: '>=0.4.7'}
     hasBin: true
 
-  happy-dom@15.8.0:
-    resolution: {integrity: sha512-LwBvPvR4MQ1xfrf4gbWRJzeL2xQqWiEiHvZF5uA1AwlCCgjH9ht0fGVXciRGQCghdHAIXw1zGX1mJ6a3O0fpeA==}
+  happy-dom@15.10.2:
+    resolution: {integrity: sha512-NbA5XrSovenJIIcfixCREX3ZnV7yHP4phhbfuxxf4CPn+LZpz/jIM9EqJ2DrPwgVDSMoAKH3pZwQvkbsSiCrUw==}
     engines: {node: '>=18.0.0'}
 
   has-flag@3.0.0:
@@ -17339,7 +17339,7 @@ snapshots:
     optionalDependencies:
       uglify-js: 3.19.3
 
-  happy-dom@15.8.0:
+  happy-dom@15.10.2:
     dependencies:
       entities: 4.5.0
       webidl-conversions: 7.0.0
@@ -21122,7 +21122,7 @@ snapshots:
       lightningcss: 1.27.0
       terser: 5.35.0
 
-  vitest@2.0.5(@types/node@22.8.7)(happy-dom@15.8.0)(lightningcss@1.27.0)(terser@5.35.0):
+  vitest@2.0.5(@types/node@22.8.7)(happy-dom@15.10.2)(lightningcss@1.27.0)(terser@5.35.0):
     dependencies:
       '@ampproject/remapping': 2.3.0
       '@vitest/expect': 2.0.5
@@ -21145,7 +21145,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 22.8.7
-      happy-dom: 15.8.0
+      happy-dom: 15.10.2
     transitivePeerDependencies:
       - less
       - lightningcss