diff --git a/package-lock.json b/package-lock.json
index 733214be3..1cb737021 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -167,7 +167,7 @@
         "eslint": "9.22.0",
         "esm": "3.2.25",
         "globals": "16.0.0",
-        "happy-dom": "17.4.2",
+        "happy-dom": "17.4.3",
         "i18next-http-backend": "3.0.2",
         "jsdoc": "4.0.4",
         "knockout": "3.5.1",
@@ -11716,9 +11716,9 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "17.4.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-17.4.2.tgz",
-      "integrity": "sha512-3SA9ZdmDXTvJ5OrHfc7TdqfrKEOM15Gc3dMAvKivlaewUsOJQrNnPTQnAb3n/NR0fRVDniFxk9i82D+HhHWZcA==",
+      "version": "17.4.3",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-17.4.3.tgz",
+      "integrity": "sha512-8mDGIKxi2hAg0DkEYjBHPi5QykWiqdNNQQWrwLXLfro1eAZk8+lSnzbUrnU25bamG9PjEQGoFrA32ezQNJQdww==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index e59ca7c36..afeaf2a28 100644
--- a/package.json
+++ b/package.json
@@ -222,7 +222,7 @@
     "eslint": "9.22.0",
     "esm": "3.2.25",
     "globals": "16.0.0",
-    "happy-dom": "17.4.2",
+    "happy-dom": "17.4.3",
     "i18next-http-backend": "3.0.2",
     "jsdoc": "4.0.4",
     "knockout": "3.5.1",