diff --git a/package-lock.json b/package-lock.json
index f50f9f53..9c260c72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,7 @@
         "core-js": "^3.39.0",
         "gettext-extractor": "^3.8.0",
         "gettext-parser": "^8.0.0",
-        "happy-dom": "^14.12.3",
+        "happy-dom": "^15.11.6",
         "sass": "^1.80.6",
         "stylelint": "^15.11.0",
         "tslib": "^2.7.0",
@@ -7044,9 +7044,9 @@
       "peer": true
     },
     "node_modules/happy-dom": {
-      "version": "14.12.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.12.3.tgz",
-      "integrity": "sha512-vsYlEs3E9gLwA1Hp+w3qzu+RUDFf4VTT8cyKqVICoZ2k7WM++Qyd2LwzyTi5bqMJFiIC/vNpTDYuxdreENRK/g==",
+      "version": "15.11.6",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.11.6.tgz",
+      "integrity": "sha512-elX7iUTu+5+3b2+NGQc0L3eWyq9jKhuJJ4GpOMxxT/c2pg9O3L5H3ty2VECX0XXZgRmmRqXyOK8brA2hDI6LsQ==",
       "dev": true,
       "dependencies": {
         "entities": "^4.5.0",
@@ -7054,7 +7054,7 @@
         "whatwg-mimetype": "^3.0.0"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=18.0.0"
       }
     },
     "node_modules/hard-rejection": {
diff --git a/package.json b/package.json
index 37040645..2d520ec5 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "core-js": "^3.39.0",
     "gettext-extractor": "^3.8.0",
     "gettext-parser": "^8.0.0",
-    "happy-dom": "^14.12.3",
+    "happy-dom": "^15.11.6",
     "sass": "^1.80.6",
     "stylelint": "^15.11.0",
     "tslib": "^2.7.0",