diff --git a/package-lock.json b/package-lock.json
index ff00814..90ec88d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@nextcloud/vite-config": "^2.5.2",
         "@vitest/coverage-v8": "^4.1.0",
         "eslint": "^9.39.3",
-        "happy-dom": "^20.8.4",
+        "happy-dom": "^20.8.8",
         "typedoc": "^0.28.17",
         "typescript": "^5.9.3",
         "vite": "^7.3.1",
@@ -4830,9 +4830,9 @@
       "license": "ISC"
     },
     "node_modules/happy-dom": {
-      "version": "20.8.4",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.4.tgz",
-      "integrity": "sha512-GKhjq4OQCYB4VLFBzv8mmccUadwlAusOZOI7hC1D9xDIT5HhzkJK17c4el2f6R6C715P9xB4uiMxeKUa2nHMwQ==",
+      "version": "20.8.8",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.8.tgz",
+      "integrity": "sha512-5/F8wxkNxYtsN0bXfMwIyNLZ9WYsoOYPbmoluqVJqv8KBUbcyKZawJ7uYK4WTX8IHBLYv+VXIwfeNDPy1oKMwQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index e350071..1c41feb 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@nextcloud/vite-config": "^2.5.2",
     "@vitest/coverage-v8": "^4.1.0",
     "eslint": "^9.39.3",
-    "happy-dom": "^20.8.4",
+    "happy-dom": "^20.8.8",
     "typedoc": "^0.28.17",
     "typescript": "^5.9.3",
     "vite": "^7.3.1",