diff --git a/package-lock.json b/package-lock.json
index 0500ede..2589cef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "eslint-plugin-react-hooks": "7.0.1",
         "eslint-plugin-react-refresh": "0.5.2",
         "globals": "17.5.0",
-        "happy-dom": "20.14.5",
+        "happy-dom": "21.0.4",
         "openai": "7.0.0",
         "pkg-pr-new": "0.0.66",
         "prettier": "3.8.3",
@@ -3954,9 +3954,9 @@
       "license": "ISC"
     },
     "node_modules/happy-dom": {
-      "version": "20.14.5",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.14.5.tgz",
-      "integrity": "sha512-x/RzkpWO40bTjIoT30iQtt64FLLmH/iRcUCN2X//bLx7H3ifkdfPXyqsro/OYtqzIAhiLMMA7mmiOR9C3NOKjQ==",
+      "version": "21.0.4",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-21.0.4.tgz",
+      "integrity": "sha512-tFm+GaLBgo6o0awHnvHaNoraVo27qJ+2tZEtZ+cIa08hXbeitrxAJajLI05hsUy/2/YTKcUjQYzHe5mCcraLBw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 9d3664b..25c1174 100644
--- a/package.json
+++ b/package.json
@@ -107,7 +107,7 @@
     "eslint-plugin-react-hooks": "7.0.1",
     "eslint-plugin-react-refresh": "0.5.2",
     "globals": "17.5.0",
-    "happy-dom": "20.14.5",
+    "happy-dom": "21.0.4",
     "openai": "7.0.0",
     "pkg-pr-new": "0.0.66",
     "prettier": "3.8.3",