diff --git a/package-lock.json b/package-lock.json
index 8eec465f3..f8aedf50b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,7 @@
         "@nextcloud/stylelint-config": "^3.2.1",
         "@nextcloud/vite-config": "2.5.2",
         "@vue/test-utils": "^2.4.6",
-        "happy-dom": "^20.8.4",
+        "happy-dom": "^20.8.9",
         "mockdate": "^3.0.5",
         "vitest": "^4.1.0"
       },
@@ -8781,9 +8781,9 @@
       "peer": true
     },
     "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": "20.8.9",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.9.tgz",
+      "integrity": "sha512-Tz23LR9T9jOGVZm2x1EPdXqwA37G/owYMxRwU0E4miurAtFsPMQ1d2Jc2okUaSjZqAFz2oEn3FLXC5a0a+siyA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 282c2d13f..ebb11c29b 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "@nextcloud/stylelint-config": "^3.2.1",
     "@nextcloud/vite-config": "2.5.2",
     "@vue/test-utils": "^2.4.6",
-    "happy-dom": "^20.8.4",
+    "happy-dom": "^20.8.9",
     "mockdate": "^3.0.5",
     "vitest": "^4.1.0"
   },