diff --git a/package-lock.json b/package-lock.json
index 1eae4dd4..6c76db94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "@vue/tsconfig": "^0.9.0",
         "gettext-extractor": "^4.0.6",
         "gettext-parser": "^9.0.1",
-        "happy-dom": "^20.8.3",
+        "happy-dom": "^20.8.4",
         "sass": "^1.97.3",
         "typedoc": "^0.28.17",
         "typescript": "^5.9.3",
@@ -5911,9 +5911,9 @@
       "license": "ISC"
     },
     "node_modules/happy-dom": {
-      "version": "20.8.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.3.tgz",
-      "integrity": "sha512-lMHQRRwIPyJ70HV0kkFT7jH/gXzSI7yDkQFe07E2flwmNDFoWUTRMKpW2sglsnpeA7b6S2TJPp98EbQxai8eaQ==",
+      "version": "20.8.4",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.4.tgz",
+      "integrity": "sha512-GKhjq4OQCYB4VLFBzv8mmccUadwlAusOZOI7hC1D9xDIT5HhzkJK17c4el2f6R6C715P9xB4uiMxeKUa2nHMwQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 39c69b9b..add67026 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "@vue/tsconfig": "^0.9.0",
     "gettext-extractor": "^4.0.6",
     "gettext-parser": "^9.0.1",
-    "happy-dom": "^20.8.3",
+    "happy-dom": "^20.8.4",
     "sass": "^1.97.3",
     "typedoc": "^0.28.17",
     "typescript": "^5.9.3",