diff --git a/package-lock.json b/package-lock.json
index 7f43bff8..8ceae445 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@vitest/coverage-istanbul": "^3.2.4",
         "@vue/test-utils": "^1.3.6",
         "@vue/tsconfig": "^0.5.1",
-        "happy-dom": "^20.0.2",
+        "happy-dom": "^20.0.5",
         "typescript": "^5.9.3",
         "vite": "^7.1.9",
         "vitest": "^3.0.2"
@@ -6353,9 +6353,9 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "20.0.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.2.tgz",
-      "integrity": "sha512-pYOyu624+6HDbY+qkjILpQGnpvZOusItCk+rvF5/V+6NkcgTKnbOldpIy22tBnxoaLtlM9nXgoqAcW29/B7CIw==",
+      "version": "20.0.5",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.5.tgz",
+      "integrity": "sha512-AiqA0rfS7WR1kihXt9W9aA5LFLaOKzwiL+QoI7BkOQ0r21C7VHTOf4k8QNlnWYaHLhpI2tZzJPLV1lY1obDTmw==",
       "dev": true,
       "dependencies": {
         "@types/node": "^20.0.0",
diff --git a/package.json b/package.json
index b8e03fdc..d14b4808 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@vitest/coverage-istanbul": "^3.2.4",
     "@vue/test-utils": "^1.3.6",
     "@vue/tsconfig": "^0.5.1",
-    "happy-dom": "^20.0.2",
+    "happy-dom": "^20.0.5",
     "typescript": "^5.9.3",
     "vite": "^7.1.9",
     "vitest": "^3.0.2"