diff --git a/package-lock.json b/package-lock.json
index 262d316e..f6b81d38 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,7 @@
         "@vue/test-utils": "^1.3.6",
         "@vue/tsconfig": "^0.5.1",
         "eslint-plugin-chai-friendly": "^0.7.4",
-        "happy-dom": "^14.3.1",
+        "happy-dom": "^14.3.9",
         "typescript": "^5.4.3",
         "vite": "^5.2.6",
         "vitest": "^1.2.2"
@@ -8753,9 +8753,9 @@
       "peer": true
     },
     "node_modules/happy-dom": {
-      "version": "14.3.1",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.3.1.tgz",
-      "integrity": "sha512-uv2mE7jUH0S3cTnDPqNQj+J+Z5wOevqzopc7e8URXtcCH2STubCjPFVyEJ1ONGSv/aL/uvNwo5WWjsinpWpADQ==",
+      "version": "14.3.9",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-14.3.9.tgz",
+      "integrity": "sha512-0kPQchwthekcYpYN8CvCiq+/z5bqFYDLbTxZ+yDLwT8AFRVJDFadShHRxp3VAZRy7a5isOZ1j/LzsU1dtAIZMQ==",
       "dev": true,
       "dependencies": {
         "entities": "^4.5.0",
diff --git a/package.json b/package.json
index c7b77fc0..6586b556 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@vue/test-utils": "^1.3.6",
     "@vue/tsconfig": "^0.5.1",
     "eslint-plugin-chai-friendly": "^0.7.4",
-    "happy-dom": "^14.3.1",
+    "happy-dom": "^14.3.9",
     "typescript": "^5.4.3",
     "vite": "^5.2.6",
     "vitest": "^1.2.2"